Apr 25, 2024
Word Starting With Bi
The b is an important letter in "Words with Friends" word game. It is a 3-point letter in the Scrabble game and the bi has 4 points in Scrabble and 4 points in "Words with Friends". If played correctly, it can bring you a very high point total. For a majority of casual Scrabble players, the words with bi are the quite difficult to find compared to the rest of the high value letters. This makes "words that start with bi" the very popular request on our site. There are some top words that can be legally played in "Words with Friends".
In modern Scrabble, the largest scoring word that start with bi are biunique with 19 points, biotoxins with 18 points and biotoxin with 17 points.
The same top in "Words with Friends" for word starting with bi is biunique with 23 points, biotoxins with 20 points and bimorphs with 19 points.
To play word with bi and get a large amount of points, you’ll most likely have to use both word and letter bonus squares. Preferably, triple letter and triple word bonus squares. By drawing the letter b most players leap in joy since they know that any words with bi they will be able to construct with the letter will earn them some good points. If you really want to become a great "Words with Friends" player, you do not need to spend too much time and effort learning too many words that begin with bi. Searching our site you will be able to score some good points with these words!
- 2 Letter words that begin with BI
- 3 Letter words that start with BI
- 4 Letter words that begin with BI
- 5 Letter words that start with the letter BI
- 6 Letter words starting with BI
- 7 Letter words beginning with BI
- 8 Letter words beginning with BI
- 9 Letter words that start with the letter BI
- 10 Letter words starting with BI
- 11 Letter words with BI
- 12 Letter words with BI
- 13 Letter words with BI
- 14 Letter words starting with BI
- 15 Letter words that start with BI
- 16 Letter words starting with BI
- 17 Letter words that start with BI
- 18 Letter words that start with the letter BI
- 19 Letter words beginning with BI
2 Letter words that begin with BI
3 Letter words that start with BI
4 Letter words that begin with BI
- bias
- bibb
- bibs
- bice
- bide
- bids
- bien
- bier
- biff
- biga
- bigg
- bigs
- bike
- bile
- bilk
- bill
- bima
- bind
- bine
- bing
- bink
- bins
- bint
- biog
- bios
- bird
- birk
- birl
- biro
- birr
- bise
- bish
- bisk
- bite
- bito
- bits
- bitt
- bize
5 Letter words that start with the letter BI
- biali
- bialy
- bibbs
- bible
- biccy
- bicep
- bices
- biddy
- bided
- bider
- bides
- bidet
- bidon
- bield
- biers
- biffs
- biffy
- bifid
- bigae
- biggs
- biggy
- bigha
- bight
- bigly
- bigos
- bigot
- bijou
- biked
- biker
- bikes
- bikie
- bilbo
- bilby
- biles
- bilge
- bilgy
- bilks
- bills
- billy
- bimah
- bimas
- bimbo
- binal
- bindi
- binds
- bines
- binge
- bingo
- bings
- bingy
- binit
- binks
- bints
- biogs
- biome
- biont
- biota
- biped
- bipod
- birch
- birds
- birks
- birle
- birls
- biros
- birrs
- birse
- birsy
- birth
- bises
- bisks
- bison
- biter
- bites
- bitok
- bitos
- bitsy
- bitte
- bitts
- bitty
- bivia
- bivvy
- bizes
6 Letter words starting with BI
- bialis
- bialys
- biased
- biases
- biaxal
- bibbed
- bibber
- bibles
- bicarb
- biceps
- bicker
- bicorn
- bicron
- bidden
- bidder
- bident
- biders
- bidets
- biding
- bidons
- bields
- bieldy
- biface
- biffed
- biffin
- biflex
- bifold
- biform
- bigamy
- bigeye
- bigged
- bigger
- biggie
- biggin
- bighas
- bights
- bigots
- bigwig
- bijous
- bijoux
- bikers
- bikies
- biking
- bikini
- bilboa
- bilbos
- bilged
- bilges
- bilian
- bilked
- bilker
- billed
- biller
- billet
- billie
- billon
- billow
- bimahs
- bimbos
- binary
- binate
- binder
- bindis
- bindle
- binged
- binger
- binges
- binghi
- bingle
- bingos
- binits
- binman
- binmen
- binned
- binocs
- biogas
- biogen
- biomes
- bionic
- bionts
- biopic
- biopsy
- biotas
- biotic
- biotin
- bipack
- bipeds
- bipods
- birded
- birder
- birdie
- bireme
- birken
- birkie
- birled
- birler
- birles
- birred
- birses
- birsle
- births
- bisect
- bishes
- bishop
- bismar
- bisons
- bisque
- bisson
- bister
- bistre
- bistro
- biters
- biting
- bitmap
- bitoks
- bitted
- bitten
- bitter
- bittie
- bittor
- bittur
- biuret
- bivium
- bizazz
- bizone
- bizzes
7 Letter words beginning with BI
- bialies
- biasing
- biassed
- biasses
- biaxial
- bibasic
- bibbers
- bibbery
- bibbing
- bibelot
- bibless
- biblike
- biblist
- bicarbs
- biccies
- bichord
- bickers
- bicolor
- bicorne
- bicorns
- bicrons
- bicycle
- bidarka
- bidders
- biddies
- bidding
- bidents
- bidings
- bielded
- biennia
- bifaces
- biffies
- biffing
- biffins
- bifidly
- bifilar
- bifocal
- bigener
- bigeyes
- bigfeet
- bigfoot
- biggest
- biggety
- biggies
- bigging
- biggins
- biggish
- biggity
- bighead
- bighorn
- bighted
- bigness
- bigoses
- bigoted
- bigotry
- bigshot
- bigtime
- bigwigs
- bikeway
- bikings
- bikinis
- bilayer
- bilbies
- bilboas
- bilboes
- bilevel
- bilgier
- bilging
- bilians
- biliary
- bilimbi
- bilious
- bilkers
- bilking
- billbug
- billers
- billets
- billibi
- billies
- billing
- billion
- billman
- billmen
- billons
- billows
- billowy
- bilobar
- bilobed
- bilsted
- biltong
- bimboes
- bimetal
- bimodal
- bimorph
- binders
- bindery
- binding
- bindles
- bingers
- binghis
- bingies
- binging
- bingled
- bingles
- binning
- binocle
- biochip
- biocide
- biodata
- biofuel
- biogens
- biogeny
- bioherm
- biology
- biomass
- bionics
- bionomy
- biontic
- biophor
- biopics
- biopsic
- bioptic
- biotech
- biotics
- biotins
- biotite
- biotope
- biotron
- biotype
- bipacks
- biparty
- bipedal
- biplane
- bipolar
- biprism
- birched
- birchen
- birches
- birddog
- birders
- birdied
- birdies
- birding
- birdman
- birdmen
- biremes
- biretta
- biriani
- birkier
- birkies
- birlers
- birling
- birlinn
- birring
- birsier
- birsled
- birsles
- birthed
- biryani
- biscuit
- bisects
- bishops
- bismars
- bismuth
- bisnaga
- bisques
- bistate
- bisters
- bistort
- bistred
- bistres
- bistros
- bitable
- bitings
- bitless
- bitmaps
- bitonal
- bitsier
- bittern
- bitters
- bittier
- bitties
- bitting
- bittock
- bittors
- bittour
- bitturs
- bitumed
- bitumen
- biurets
- bivalve
- bivinyl
- bivious
- bivouac
- bivvied
- bivvies
- bizarre
- bizarro
- biznaga
- bizonal
- bizones
8 Letter words beginning with BI
- biacetyl
- biannual
- biasedly
- biasings
- biasness
- biassing
- biathlon
- bibation
- bibelots
- biblical
- biblists
- bibulous
- bicaudal
- bicepses
- bichrome
- bickered
- bickerer
- bicolors
- bicolour
- biconvex
- bicornes
- bicuspid
- bicycled
- bicycler
- bicycles
- bicyclic
- bidarkas
- bidarkee
- biddable
- biddably
- biddings
- bidental
- bieldier
- bielding
- biennale
- biennial
- biennium
- bifacial
- bifidity
- bifocals
- biforate
- biforked
- biformed
- bigamies
- bigamist
- bigamous
- bigarade
- bigaroon
- bigeminy
- bigeners
- bigfoots
- biggings
- bigheads
- bighorns
- bighting
- bigmouth
- bignonia
- bigshots
- bigstick
- bihourly
- bijugate
- bijugous
- bijwoner
- bikeways
- bikinied
- bilabial
- bilander
- bilayers
- bilberry
- bilevels
- bilgiest
- bilimbis
- bilinear
- billable
- billbook
- billbugs
- billeted
- billeter
- billfish
- billfold
- billhead
- billhook
- billiard
- billibis
- billings
- billions
- billowed
- billyboy
- billycan
- bilobate
- bilsteds
- biltongs
- bimanous
- bimanual
- bimbashi
- bimbette
- bimensal
- bimester
- bimetals
- bimethyl
- bimorphs
- binaries
- binately
- binaural
- bindable
- bindings
- bindweed
- bingeing
- bingling
- binnacle
- binocles
- binomial
- bioassay
- bioblast
- biochips
- biocidal
- biocides
- bioclean
- biocycle
- bioethic
- biofuels
- biogases
- biogenic
- biograph
- bioherms
- biologic
- biolyses
- biolysis
- biolytic
- biometer
- biometry
- biomorph
- bionomic
- biophore
- biophors
- bioplasm
- bioplast
- biopsied
- biopsies
- bioscope
- bioscopy
- biosolid
- biotechs
- biotical
- biotites
- biotitic
- biotopes
- biotoxin
- biotrons
- biotroph
- biotypes
- biotypic
- biovular
- biparous
- biparted
- biphasic
- biphenyl
- biplanes
- biprisms
- biracial
- biradial
- biramose
- biramous
- birching
- birdbath
- birdcage
- birdcall
- birddogs
- birdfarm
- birdfeed
- birdings
- birdlife
- birdlike
- birdlime
- birdseed
- birdseye
- birdshot
- birdsong
- birdwing
- birdying
- birettas
- birianis
- biriyani
- birkiest
- birlings
- birlinns
- birretta
- birrotch
- birsiest
- birsling
- birthday
- birthdom
- birthing
- biryanis
- biscacha
- biscotti
- biscotto
- biscuits
- biscuity
- bisected
- bisector
- biserial
- bisexual
- bishoped
- bismuths
- bisnagas
- bistable
- bistered
- bistorts
- bistoury
- bistroic
- biteable
- bitewing
- bitingly
- bitsiest
- bitstock
- bittacle
- bittered
- bitterer
- bitterly
- bitterns
- bittiest
- bittings
- bittocks
- bittours
- bitumens
- biunique
- bivalent
- bivalved
- bivalves
- bivinyls
- bivouacs
- bivvying
- biweekly
- biyearly
- bizarres
- bizarros
- bizazzes
- bizcacha
- biznagas
9 Letter words that start with the letter BI
- biacetyls
- biannuals
- biathlete
- biathlons
- biaxially
- bibacious
- bibations
- bibberies
- biblicism
- biblicist
- bibliotic
- bicameral
- bicentric
- bicipital
- bickerers
- bickering
- bicoastal
- bicolored
- bicolours
- biconcave
- bicuspids
- bicyclers
- bicycling
- bicyclist
- bidarkees
- bidentals
- bidentate
- bieldiest
- biennales
- biennials
- bienniums
- biestings
- bifarious
- bifilarly
- bifoliate
- bifurcate
- bigamists
- bigarades
- bigaroons
- bigarreau
- bigeminal
- bigeneric
- bigfooted
- bigheaded
- bigmouths
- bignesses
- bignonias
- bigotedly
- bigotries
- biguanide
- bijection
- bijective
- bijwoners
- bilabials
- bilabiate
- bilanders
- bilateral
- bilection
- bilharzia
- biliaries
- bilimbing
- bilingual
- biliously
- bilirubin
- biliteral
- billabong
- billboard
- billbooks
- billeters
- billeting
- billfolds
- billheads
- billhooks
- billiards
- billionth
- billowier
- billowing
- billyboys
- billycans
- bilobated
- bilobular
- bilocular
- bimbashis
- bimbettes
- bimesters
- bimethyls
- bimonthly
- binderies
- bindingly
- bindweeds
- binervate
- binnacles
- binocular
- binomials
- binominal
- binturong
- binuclear
- bioactive
- bioassays
- bioblasts
- biocenose
- biocycles
- bioethics
- biogasses
- biogenies
- biogenous
- biographs
- biography
- biohazard
- biologics
- biologies
- biologism
- biologist
- biomarker
- biomasses
- biometers
- biometric
- biomining
- biomorphs
- bionomics
- bionomies
- bioparent
- biophores
- bioplasms
- bioplasts
- biopsying
- bioregion
- biorhythm
- biosafety
- bioscopes
- biosensor
- biosocial
- biosolids
- biosphere
- biostable
- biostrome
- biotoxins
- biotrophs
- bipartite
- bipedally
- biphenyls
- bipinnate
- bipyramid
- birdbaths
- birdbrain
- birdcages
- birdcalls
- birdfarms
- birdfeeds
- birdhouse
- birdieing
- birdlimed
- birdlimes
- birdseeds
- birdseyes
- birdshots
- birdsongs
- birdwings
- biriyanis
- birlieman
- birliemen
- birrettas
- birthdate
- birthdays
- birthdoms
- birthings
- birthmark
- birthrate
- birthroot
- birthwort
- biscachas
- bisecting
- bisection
- bisectors
- biserrate
- bisexuals
- bishopdom
- bishopess
- bishoping
- bishopric
- bismillah
- bismuthal
- bismuthic
- bisontine
- bisulcate
- bisulfate
- bisulfide
- bisulfite
- biteplate
- bitewings
- bitstocks
- bittacles
- bitterest
- bittering
- bitterish
- bitternut
- bivalence
- bivalency
- bivalents
- bivariant
- bivariate
- bivouacks
- bizarrely
- bizcachas
10 Letter words starting with BI
- biannually
- biasnesses
- biathletes
- biaxiality
- biblically
- biblicisms
- biblicists
- bibliology
- bibliomane
- bibliopegy
- bibliophil
- bibliopole
- bibliopoly
- bibliotics
- bibliotist
- bibulously
- bicapsular
- bichloride
- bichromate
- bicornuate
- bicultural
- bicyclical
- bicyclists
- bidentated
- bidonville
- biennially
- bienseance
- bierkeller
- bifacially
- bifidities
- bifurcated
- bifurcates
- bigamously
- bigarreaus
- bigeminies
- bigfooting
- bighearted
- bigmouthed
- biguanides
- bijections
- bijouterie
- bilabially
- bilberries
- bilections
- bilgewater
- bilharzial
- bilharzias
- bilimbings
- bilinguals
- bilinguist
- bilirubins
- biliverdin
- billabongs
- billboards
- billfishes
- billionths
- billowiest
- billposter
- bilocation
- biloculate
- bimanually
- bimestrial
- bimetallic
- bimodality
- binational
- binaurally
- binoculars
- binomially
- binturongs
- binucleate
- bioassayed
- biocenoses
- biocenosis
- biochemist
- biocontrol
- biodegrade
- biodynamic
- bioecology
- bioethical
- biofouling
- biogeneses
- biogenesis
- biogenetic
- biographed
- biographee
- biographer
- biographic
- biohazards
- biological
- biologisms
- biologists
- biomarkers
- biomedical
- biometrics
- biometries
- biominings
- biomorphic
- bionically
- bionomical
- bioorganic
- bioparents
- biophysics
- bioplasmic
- biopoieses
- biopoiesis
- biopolymer
- bioprocess
- bioreactor
- bioregions
- biorhythms
- bioscience
- bioscopies
- biosensors
- biospheres
- biospheric
- biostromes
- biotherapy
- biotically
- biparental
- biparietal
- bipartisan
- bipedalism
- bipedality
- bipetalous
- bipinnaria
- bipolarity
- bipolarize
- bipyramids
- biquintile
- birdbrains
- birddogged
- birdhouses
- birdliming
- birostrate
- birthdates
- birthmarks
- birthnight
- birthplace
- birthrates
- birthright
- birthroots
- birthstone
- birthworts
- bisections
- bisexually
- bishopdoms
- bishoprics
- bishopweed
- bissextile
- bistouries
- bisulfates
- bisulfides
- bisulfites
- bisulphate
- bisulphide
- bitartrate
- biteplates
- bitonality
- bitterling
- bitterness
- bitternuts
- bitterroot
- bitterweed
- bitterwood
- bituminate
- bituminise
- bituminize
- bituminoid
- bituminous
- bivalences
- bivalvular
- bivariants
- bivariates
- bivouacked
- biweeklies
- bizarrerie
11 Letter words with BI
- bibliolater
- bibliolatry
- bibliomancy
- bibliomanes
- bibliomania
- bibliopegic
- bibliophile
- bibliophils
- bibliophily
- bibliopoles
- bibliopolic
- bibliotheca
- bibliotists
- bicarbonate
- bicentenary
- bicephalous
- bichlorides
- bichromated
- bichromates
- bicomponent
- biconcavity
- biconvexity
- bicorporate
- bicuspidate
- biddability
- bidialectal
- bidonvilles
- bierkellers
- bifariously
- bifoliolate
- bifurcately
- bifurcating
- bifurcation
- bigotedness
- bijouteries
- bilaterally
- bilgewaters
- bilingually
- bilinguists
- biliousness
- biliverdins
- billboarded
- billionaire
- billowiness
- billposters
- billposting
- billsticker
- bilocations
- bimetallics
- bimetallism
- bimetallist
- bimillenary
- bimillennia
- bimolecular
- bimonthlies
- bimorphemic
- bindingness
- bindlestiff
- binocularly
- binucleated
- bioactivity
- bioassaying
- biocatalyst
- biochemical
- biochemists
- bioclimatic
- biocoenoses
- biocoenosis
- biocoenotic
- biocontrols
- biodegraded
- biodegrades
- biodynamics
- bioelectric
- bioengineer
- bioethicist
- biofeedback
- biofoulings
- biographees
- biographers
- biographies
- biographing
- biologicals
- biologistic
- biomaterial
- biomedicine
- biometrical
- biomolecule
- biophysical
- biopolymers
- bioreactors
- bioregional
- biorhythmic
- biosafeties
- biosciences
- biosocially
- bipartitely
- bipartition
- bipedalisms
- bipinnarias
- bipinnately
- bipolarized
- bipolarizes
- bipyramidal
- biquadratic
- biquarterly
- biquintiles
- biracialism
- birdbrained
- birddogging
- birdwatcher
- birthmother
- birthnights
- birthplaces
- birthrights
- birthstones
- birthweight
- bisectional
- bisexualism
- bisexuality
- bishopesses
- bishopweeds
- bisociation
- bisociative
- bissextiles
- bisulphates
- bisulphides
- bitartrates
- bitterbrush
- bitterender
- bitterlings
- bitterroots
- bittersweet
- bitterweeds
- bitterwoods
- bituminated
- bituminates
- bituminised
- bituminises
- bituminized
- bituminizes
- bivalencies
- bivouacking
- bizarreness
- bizarreries
12 Letter words with BI
- biaxialities
- bibliography
- bibliolaters
- bibliologies
- bibliologist
- bibliomaniac
- bibliomanias
- bibliopegies
- bibliopegist
- bibliophiles
- bibliophilic
- bibliophobia
- bibliopolies
- bibliopolist
- bibliothecae
- bibliothecal
- bibliothecas
- bibulousness
- bicameralism
- bicameralist
- bicarbonates
- bicentennial
- biddableness
- biflagellate
- bifunctional
- bifurcations
- bigheartedly
- bilateralism
- bilharziases
- bilharziasis
- bilharzioses
- bilharziosis
- bilingualism
- billboarding
- billingsgate
- billionaires
- billpostings
- billstickers
- bimetallisms
- bimetallists
- bimillennial
- bimillennium
- bimodalities
- bindlestiffs
- binocularity
- bioacoustics
- bioavailable
- biocatalysts
- biocatalytic
- biochemicals
- biochemistry
- biocoenology
- biodegrading
- biodiversity
- bioecologies
- bioenergetic
- bioengineers
- bioethicists
- biofeedbacks
- bioflavonoid
- biogenetical
- biogeography
- biographical
- biohazardous
- biologically
- biomaterials
- biomechanics
- biomedicines
- biometrician
- biomolecular
- biomolecules
- bionomically
- biophysicist
- bioprocessed
- bioprocesses
- biorhythmics
- biosatellite
- bioscientist
- biosyntheses
- biosynthesis
- biosynthetic
- biotechnical
- biotelemetry
- biotherapies
- biparentally
- bipartitions
- bipedalities
- bipolarities
- bipolarizing
- bipropellant
- biquadratics
- biracialisms
- birdwatchers
- birdwatching
- birefringent
- birthmothers
- birthpatient
- birthweights
- bisexualisms
- bisociations
- bitonalities
- bitterenders
- bitternesses
- bittersweets
- bituminating
- bituminising
- bituminizing
- biuniqueness
13 Letter words with BI
- bibliographer
- bibliographic
- bibliolatries
- bibliolatrist
- bibliolatrous
- bibliological
- bibliologists
- bibliomancies
- bibliomaniacs
- bibliopegists
- bibliophagist
- bibliophilies
- bibliophilism
- bibliophilist
- bibliophobias
- bibliopolical
- bibliopolists
- bibliothecary
- bibliotherapy
- bicameralisms
- bicameralists
- bicentenaries
- bicentennials
- biconcavities
- biconditional
- biconvexities
- biculturalism
- biddabilities
- bidirectional
- bigheadedness
- bignoniaceous
- bigotednesses
- bilateralisms
- bilateralness
- bildungsroman
- bilingualisms
- biliousnesses
- billingsgates
- billowinesses
- bimetallistic
- bimillenaries
- bimillennials
- bimillenniums
- bimolecularly
- bindingnesses
- bioactivities
- biochemically
- biocompatible
- bioconversion
- biodegradable
- bioelectrical
- bioelectronic
- bioenergetics
- bioengineered
- bioequivalent
- bioflavonoids
- biogeographer
- biogeographic
- biomechanical
- biometrically
- biometricians
- biophysically
- biophysicists
- bioprocessing
- biopsychology
- biosatellites
- bioscientific
- bioscientists
- biostatistics
- biosystematic
- biotechnology
- biotelemetric
- bipartisanism
- bipropellants
- birdwatchings
- birefringence
- birthpatients
- bisectionally
- bisexualities
- bitterbrushes
- bittersweetly
- bizarrenesses
14 Letter words starting with BI
- bibliographers
- bibliographies
- bibliolatrists
- bibliomaniacal
- bibliophagists
- bibliophilisms
- bibliophilists
- bibulousnesses
- biconditionals
- biculturalisms
- biddablenesses
- bidialectalism
- bidialectalist
- bigheartedness
- bildungsromane
- bildungsromans
- binocularities
- biochemistries
- bioclimatology
- biocoenologies
- bioconversions
- biodegradation
- biodiversities
- bioelectricity
- bioelectronics
- bioengineering
- bioequivalence
- bioequivalency
- biogenetically
- biogeochemical
- biogeographers
- biogeographies
- biographically
- bioluminescent
- biomathematics
- biometeorology
- bioregionalism
- bioregionalist
- bioremediation
- biostatistical
- biosystematics
- biosystematist
- biotelemetries
- bipartisanisms
- bipartisanship
- bipolarization
- bipotentiality
- birefringences
- bituminisation
- bituminization
- biuniquenesses
15 Letter words that start with BI
- bibliographical
- bibliophilistic
- bibliothecaries
- bibliotherapies
- bidialectalisms
- bidialectalists
- bidirectionally
- bigheadednesses
- bilateralnesses
- bioaccumulation
- bioaccumulative
- bioastronautics
- bioavailability
- biodegradations
- biodestructible
- bioengineerings
- bioequivalences
- biogeochemicals
- biogeochemistry
- biogeographical
- bioluminescence
- biomathematical
- biomechanically
- biopsychologies
- bioregionalisms
- bioregionalists
- bioremediations
- biostatistician
- biostratigraphy
- biosystematists
- biotechnologies
- biotechnologist
- bipartisanships
- bipolarizations
- bittersweetness
- bituminisations
- bituminizations
16 Letter words starting with BI
- bigheartednesses
- bioaccumulations
- bioastronautical
- bioclimatologies
- biocompatibility
- biodegradability
- biodeterioration
- bioelectricities
- bioequivalencies
- bioluminescences
- biomathematician
- biometeorologies
- biometeorologist
- biopsychological
- biostatisticians
- biostratigraphic
- biosynthetically
- biotechnological
- biotechnologists
- bipotentialities
17 Letter words that start with BI
- bibliographically
- bioavailabilities
- biodeteriorations
- biogeochemistries
- biomathematicians
- biometeorological
- biometeorologists
- biostratigraphies
- biotransformation
- bittersweetnesses
18 Letter words that start with the letter BI
- biobibliographical
- biocompatibilities
- biodegradabilities
- bioinstrumentation
- biostratigraphical
- biotransformations