15-Letter Words Containing: S,I,B
(In Any Order)
There are 807 15 letter words,
459 15 letter phrases and
0 15 letter abbr's with
S,I,B in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
| benzodiazepines | 15 | 38 | nounn | ||||
noun • any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency | |||||||
| psychobiography | 15 | 36 | nounn | ||||
Valid word for Scrabble US
| |||||||
| squeezabilities | 15 | 35 | nounn | ||||
noun • the property of being able to occupy less space | |||||||
| brachycephalies | 15 | 32 | nounn | ||||
noun • the quality of being brachycephalic | |||||||
| subvocalization | 15 | 31 | nounn | ||||
Valid word for Scrabble US
| |||||||
| subspecializing | 15 | 31 | verb, adjectivev, adj | ||||
Valid word for Scrabble US
| |||||||
| nonobjectivisms | 15 | 31 | nounn | ||||
Valid word for Scrabble US
| |||||||
| substantivizing | 15 | 30 | verbv | ||||
Valid word for Scrabble US
| |||||||
| subcategorizing | 15 | 30 | verb, nounv, n | ||||
verb • To categorize more specifically by placing in a subcategory. • (grammar) To practice subcategorization. | |||||||
| suboptimization | 15 | 30 | noun, adjectiven, adj | ||||
Valid word for Scrabble US
| |||||||
| or scroll down to see all results... | |||||||
Tip: Scrabble EU allows far more words than US! Also change the max length to see more words. | |||||||
All 15 Letter Words
Words (807)
- insubordination
- unsubstantiated
- inaccessibility
- bioluminescence
- discombobulated
- destabilization
- psychobiologist
- distinguishable
- irresistibility
- distributorship
- incommensurable
- troubleshooting
- exhibitionistic
- susceptibleness
- substantialness
- serviceableness
- responsibleness
- practicableness
- imperishability
- demonstrability
- conceivableness
- blameworthiness
- vulnerabilities
- unsuitabilities
- uninhibitedness
- uncompromisable
- unclimbableness
- unassailability
- thromboplastins
- substantivizing
- substantiations
- suborganization
- subcategorizing
- rumbustiousness
- ribonucleotides
- remobilizations
- rehabilitations
- refundabilities
- reestablishment
- reconstructible
- prohibitiveness
- profitabilities
- prefabrications
- plausiblenesses
- permissibleness
- penetrabilities
- overembellishes
- overembellished
- obtainabilities
- obstructiveness
- obliviousnesses
- noncompressible
- modifiabilities
- mistranscribing
- microbiologists
- mensurabilities
- maldistribution
- liberalizations
- invincibilities
- invariabilities
- intersubjective
- inseparableness
- inscrutableness
- insatiabilities
- inflammableness
- infeasibilities
- inexorabilities
- inevitabilities
- ineligibilities
- indubitableness
- indomitableness
- indissolubility
- inalterableness
- improvabilities
- impregnableness
- impeccabilities
- impassibilities
- impalpabilities
- illimitableness
- employabilities
- distinguishably
- disestablishing
- disequilibrated
- disembarrassing
- discombobulates
- disapprobations
- disambiguations
- detectabilities
- demobilizations
- deductibilities
- cyanocobalamins
- convertibleness
- circumambulates
- businesspersons
- bronchodilators
- breathabilities
- bountifulnesses
- bloodguiltiness
- biostatistician
- bioregionalists
- biodegradations
- benzodiazepines
- belongingnesses
- beautifications
- autobiographers
- attainabilities
- atrabiliousness
- astrobiologists
- assignabilities
- applicabilities
- antituberculous
- ambitiousnesses
- agribusinessman
- adjustabilities
- unobtrusiveness
- thromboembolism
- irreversibility
- inadmissibility
- fashionableness
- veritablenesses
- verifiabilities
- upgradabilities
- unworkabilities
- unsubstantially
- unsociabilities
- unreliabilities
- unknowabilities
- undesirableness
- unanswerability
- ultraliberalism
- transubstantial
- translatability
- tomboyishnesses
- thinkablenesses
- thermostability
- survivabilities
- suppressibility
- supersubtleties
- subvocalization
- suburbanization
- substitutionary
- substantiveness
- subspecializing
- subreptitiously
- subproletariats
- subprofessional
- suboptimization
- submetacentrics
- subinfeudations
- subcommissioned
- strikebreakings
- squeezabilities
- spreadabilities
- somnambulations
- solubilizations
- solderabilities
- sociobiologists
- sinterabilities
- sesquicarbonate
- semisubmersible
- semiabstraction
- sabermetricians
- ribonucleosides
- reversibilities
- retinoblastomas
- resistibilities
- resectabilities
- replicabilities
- repeatabilities
- repairabilities
- remediabilities
- refrangibleness
- reformabilities
- reeligibilities
- redistributions
- recallabilities
- reasonabilities
- radiobiologists
- punishabilities
- psychobiologies
- psychobiography
- promotabilities
- prohibitionists
- prepublications
- preferabilities
- preestablishing
- photobiologists
- phenobarbitones
- perishabilities
- perdurabilities
- pentobarbitones
- patentabilities
- paleobiologists
- oversubscribing
- overstabilities
- overprescribing
- opprobriousness
- obtrusivenesses
- obstructionists
- obstructionisms
- obstinatenesses
- obsessivenesses
- observationally
- observabilities
- obnoxiousnesses
- objectivenesses
- nonsedimentable
- nonsaponifiable
- nonrecombinants
- nonobjectivists
- nonobjectivisms
- nonequilibriums
- noncelebrations
- nonbelligerents
- nonbarbiturates
- neurobiologists
- negotiabilities
- negligibilities
- mountebankeries
- monosyllabicity
- miserablenesses
- misdistribution
- misattributions
- micropublishing
- micropublishers
- microbarographs
- metastabilities
- meroblastically
- measurabilities
- marketabilities
- manageabilities
- machinabilities
- libertarianisms
- labyrinthodonts
- laboriousnesses
- irritablenesses
- irrevocableness
- irreparableness
- irreconcilables
- irasciblenesses
- invisiblenesses
- inviolabilities
- intolerableness
- intervisibility
- integrabilities
- intangibilities
- insubordinately
- insolublenesses
- insociabilities
- insensibilities
- inheritableness
- infusiblenesses
- inflexibilities
- infallibilities
- inexcusableness
- ineffablenesses
- ineducabilities
- indisciplinable
- indefinableness
- indefensibility
- indefeasibility
- incredibilities
- incommensurably
- incapablenesses
- improbabilities
- impossibilities
- implacabilities
- impassabilities
- immutablenesses
- immunoglobulins
- immunoblottings
- immunoassayable
- immovablenesses
- immobilizations
- immiscibilities
- illiberalnesses
- hypermobilities
- hypermetabolism
- hypercatabolism
- hydrobiologists
- holometabolisms
- hendecasyllabic
- hemoglobinurias
- habitablenesses
- gyrostabilizers
- germinabilities
- formidabilities
- filterabilities
- fibrinopeptides
- featherbeddings
- extrudabilities
- extensibilities
- extendabilities
- exportabilities
- expendabilities
- expansibilities
- expandabilities
- excludabilities
- excitablenesses
- estimablenesses
- equitablenesses
- enumerabilities
- distractibility
- disposabilities
- disequilibriums
- disequilibrates
- disembowelments
- disembarkations
- dinitrobenzenes
- digestibilities
- deterrabilities
- detachabilities
- desirablenesses
- dependabilities
- delectabilities
- defibrillations
- defensibilities
- defeasibilities
- decomposability
- damageabilities
- cultivabilities
- creditabilities
- corrigibilities
- containerboards
- concelebrations
- computerphobias
- computabilities
- compatibilities
- comparabilities
- combativenesses
- codifiabilities
- coagulabilities
- claustrophobias
- chronobiologist
- chronobiologies
- changeabilities
- carpetbaggeries
- bureaucratising
- bumptiousnesses
- brotherlinesses
- bronchoscopists
- braunschweigers
- brainlessnesses
- brachycephalies
- bowdlerizations
- bourgeoisifying
- bougainvillaeas
- blaxploitations
- bituminizations
- bittersweetness
- bipolarizations
- bipartisanships
- biotechnologist
- biotechnologies
- biosystematists
- biostratigraphy
- bioremediations
- bioregionalisms
- biogeochemistry
- biogeochemicals
- bioengineerings
- bidialectalisms
- bibliotherapies
- benightednesses
- believabilities
- beautifulnesses
- bastardizations
- bacteriophagies
- bacteriologists
- backscatterings
- availablenesses
- autobiographies
- ariboflavinosis
- ariboflavinoses
- arbitrarinesses
- appealabilities
- antimetabolites
- antiliberalisms
- antifashionable
- antiabortionist
- analyzabilities
- ambisexualities
- ambiguousnesses
- ambidexterities
- ambassadorships
- agribusinessmen
- affordabilities
- affectabilities
- advisablenesses
- admissibilities
- admirablenesses
- accessibilities
- acceptabilities
- abstractionists
- abstractionisms
- absorbabilities
- transferability
- syllabification
- subordinateness
- streptobacillus
- sociobiological
- indigestibility
- disreputability
- destructibility
- compressibility
- boustrophedonic
- basidiomycetous
- whistleblowings
- overabstracting
- noncombustibles
- antisubversives
- antisubversions
- antiobscenities
- antifilibusters
- zygobranchiates
- yieldablenesses
- vindicabilities
- vibroflotations
- vapourabilities
- untransmissible
- unthinkableness
- unsaleabilities
- unreadabilities
- unprintableness
- undisciplinable
- underpublicised
- unconstrainable
- uncircumscribed
- uncategorisable
- unbridlednesses
- unbiassednesses
- unbendingnesses
- unbelievingness
- unavoidableness
- unavailableness
- unapprehensible
- unamiablenesses
- unadvisableness
- ubiquitinations
- ubiquitarianism
- tuberculisation
- trituberculisms
- trisyllabically
- tributarinesses
- tintinnabulates
- thimbleriggings
- tetrasyllabical
- tetrabasicities
- terminabilities
- temperabilities
- tabularizations
- tabularisations
- symmetrophobias
- symbolographies
- symbolistically
- syllabographies
- superincumbency
- superincumbence
- suggestibleness
- subvocalisation
- subversionaries
- suburbanisation
- subterrestrials
- substantivities
- substantivising
- substantializes
- substantialized
- substantialists
- substantialisms
- substantialises
- substantialised
- subspecifically
- subspecialities
- subspecialising
- suborganisation
- suboptimisation
- subminiaturizes
- subminiaturized
- subminiaturises
- subminiaturised
- sublapsarianism
- subintelligitur
- subintelligence
- subintellection
- subinsinuations
- subcontractings
- subcommissioner
- subcivilization
- subcivilisation
- subcategorising
- subassociations
- subalternations
- subaggregations
- strombuliferous
- strobilizations
- strobilisations
- strephosymbolia
- strabismometers
- spermatoblastic
- solubilisations
- sketchabilities
- scribaciousness
- scratchbuilding
- scratchbuilders
- rumblegumptions
- rightablenesses
- rhombporphyries
- reverberatories
- revealabilities
- returnabilities
- retrievableness
- respirabilities
- respectabilizes
- respectabilized
- respectabilises
- respectabilised
- resolvabilities
- republicanising
- remobilisations
- remissibilities
- remarkabilities
- reflexibilities
- reduciblenesses
- redeemabilities
- reconstitutable
- recognisability
- receptibilities
- receivabilities
- realizabilities
- realisabilities
- quodlibetarians
- questionability
- quadrisyllables
- proverbialising
- propagabilities
- prohibitionisms
- producibilities
- probationership
- probabiliorists
- probabiliorisms
- printablenesses
- presbyterianize
- presbyterianise
- predictableness
- predicabilities
- ponderabilities
- polysyllabicism
- phlebosclerosis
- permutabilities
- perissosyllabic
- perfectibilists
- perfectibilisms
- perfectibilians
- parabolizations
- parabolisations
- palaeobotanists
- palaeobiologist
- palaeobiologies
- palaebiologists
- oxyhaemoglobins
- ostensibilities
- obstructionally
- nudibranchiates
- noticeabilities
- noctambulations
- navigablenesses
- morbilliviruses
- misbecomingness
- methaemoglobins
- metagrobolising
- metagrabolising
- lumberingnesses
- listenabilities
- limitablenesses
- liberalisations
- labyrinthitises
- justifiableness
- irresolvability
- irreprehensibly
- irreprehensible
- irremovableness
- irremissibility
- irrefutableness
- irreducibleness
- invertibilities
- invendibilities
- intransmissible
- insuperableness
- insolvabilities
- inscribableness
- inoperabilities
- inoculabilities
- inobtrusiveness
- inimitabilities
- infrangibleness
- inextensibility
- inestimableness
- inerrablenesses
- inequitableness
- ineludibilities
- indivisibleness
- indistributable
- indeliblenesses
- incurablenesses
- inculpabilities
- incrossbreeding
- inconsolability
- inaudiblenesses
- inapprehensible
- inalienableness
- inadvisableness
- imputablenesses
- imprescriptibly
- imprescriptible
- importabilities
- imperviableness
- imperturbations
- imperscriptible
- impartibilities
- immoveabilities
- immobilisations
- immensurability
- immedicableness
- illegiblenesses
- hypnotisability
- huckleberryings
- holoblastically
- hobbledehoyisms
- histocompatible
- heteroflexibles
- herbivorousness
- gyrostabilisers
- groundbreakings
- governabilities
- frangiblenesses
- fibrocartilages
- fatigablenesses
- factorabilities
- extendibilities
- examinabilities
- evaporabilities
- embracingnesses
- eliminabilities
- educatabilities
- eburnifications
- ebullioscopical
- dysmorphophobia
- duplicabilities
- drinkablenesses
- dorsibranchiate
- divisiblenesses
- divertibilities
- dissolvableness
- dissolubilities
- dissociableness
- disputabilities
- disobligingness
- dishabilitation
- dishabilitating
- disencumbrances
- disencumberment
- disemboguements
- disembellishing
- discomboberates
- discomboberated
- disattributions
- disagreeability
- dilatablenesses
- diffusibilities
- dialyzabilities
- dialysabilities
- detestabilities
- despicabilities
- deplorabilities
- demobilisations
- degradabilities
- deformabilities
- defectibilities
- deduciblenesses
- deceptibilities
- deceivabilities
- decarburisation
- decarbonisation
- cyclobarbitones
- cyberterrorists
- cyberterrorisms
- cybersquattings
- cybersecurities
- cruciverbalists
- cruciverbalisms
- corruptibleness
- corrosibilities
- corrodibilities
- conglobulations
- confusabilities
- commutabilities
- combinabilities
- colourabilities
- circumscribable
- circumambiences
- circumambagious
- chargeabilities
- characterisable
- chamberlainship
- censurabilities
- cannibalisation
- calculabilities
- bronchoscopical
- bronchographies
- bronchiolitises
- broadmindedness
- brilliantnesses
- breatharianisms
- brainsicknesses
- brachytherapies
- brachypinakoids
- brachydiagonals
- brachydactylism
- brachydactylies
- brachycephalics
- brachiosauruses
- bowdlerisations
- bloodthirstiest
- bituminisations
- bisymmetrically
- bisphosphonates
- bipolarisations
- biopsychologies
- bioprospectings
- biodestructible
- bioastronautics
- bigheadednesses
- bibliothecaries
- bibliophilistic
- beseemingnesses
- batrachophobias
- bastardisations
- balneotherapies
- backscratchings
- bacchanalianism
- autostabilities
- attributiveness
- associabilities
- archeobotanists
- archaeobotanist
- archaeobotanies
- antithrombotics
- antirepublicans
- anthropophobics
- anthropophobias
- answerabilities
- adsorbabilities
- actinobiologies
- acquirabilities
- absorptiometers
- absorbefacients
- aboriginalities
- yellow-blindness
- unascertainable
- transposability
- transmutability
- subservientness
- stercobilinogen
- spongioblastoma
- single-barrelled
- semi-abstraction
- self-established
- scomberesocidae
- re-establishment
- presbyterianism
- plumbaginaceous
- overbearingness
- over-embellished
- opisthobranchia
- noble-mindedness
- nitrosobacteria
- neighbourliness
- myxobacteriales
- lymphoblast-like
- labour-intensive
- intractableness
- interest-bearing
- insubstantially
- innumerableness
- indisputability
- implausibleness
- impermeableness
- immeasurability
- energy-absorbing
- dispensableness
- detribalisation
- destabilisation
- consubstantiate
- combustibleness
- chicken-breasted
- brownish-striped
- broad-mindedness
- brachycephalism
- brachistochrone
- blastocladiales
- basidiomycotina
- balanoposthitis
- bacteriophagous
- arboriculturist
- alphabetisation
- acousticophobia
- abdominovesical
Phrases (459)
- william s. gilbert
- william lipscomb
- whispering bells
- water absorption
- vermis cerebelli
- vena vertebralis
- vena umbilicalis
- uta stansburiana
- trailing arbutus
- thorstein veblen
- sumatran benzoin
- suborder oscines
- suborder ophidia
- subjunctive mood
- strategic buyout
- steven spielberg
- stable companion
- southern baptist
- sorbus domestica
- solidago bicolor
- sir john vanbrigh
- sir francis bacon
- sinbad the sailor
- security blanket
- scribbling block
- rubus fruticosus
- rubus canadensis
- richard d. fosbury
- rana catesbeiana
- psychotic belief
- positive balance
- pocket billiards
- place of business
- pieris brassicae
- physical ability
- passeriform bird
- paralytic abasia
- palestinian arab
- ovibos moschatus
- order of business
- on a regular basis
- ocimum basilicum
- niels henrik abel
- monilia albicans
- martes zibellina
- lepomis gibbosus
- legislative body
- lanius excubitor
- insurance broker
- installment debt
- horseback riding
- hebrew scripture
- hawksbill turtle
- half-moon bastion
- gloriosa superba
- geomys bursarius
- genus eriobotrya
- genus enterobius
- genus bombycilla
- friedrich bessel
- football stadium
- ernst boris chain
- edible asparagus
- durio zibethinus
- diospyros ebenum
- dalbergia sissoo
- composite number
- common blackfish
- columba fasciata
- charles bulfinch
- cassin's kingbird
- carpinus betulus
- cabinet minister
- by fits and starts
- butterfly orchis
- business expense
- business concern
- bursera simaruba
- broadcast medium
- brittany spaniel
- british shilling
- british honduras
- brightness level
- bricks and mortar
- branta leucopsis
- bodily structure
- blistering agent
- bleeder's disease
- birthday present
- benito mussolini
- belgian shepherd
- bathyal district
- basic assumption
- bartholomeu dias
- barbra streisand
- band of partisans
- bahasa indonesia
- background noise
- attack submarine
- assemblies of god
- artur rubinstein
- arteria buccalis
- anton rubinstein
- anton rubenstein
- anthemis nobilis
- amebic dysentery
- alfred korzybski
- alcoholism abuse
- albert michelson
- acinonyx jubatus
- abies lasiocarpa
- woodsia glabella
- winter's bark tree
- wilson's blackcap
- william chambers
- wilkins micawber
- white man's burden
- western kingbird
- web-spinning mite
- visible spectrum
- vestibular sense
- vestibular gland
- vespertilian bat
- vena bronchialis
- ursus thibetanus
- ursus horribilis
- ultimate frisbee
- typhoid bacillus
- tuberous begonia
- tobacconist shop
- tobacco industry
- tighten one's belt
- tibialis anticus
- tibetan buddhism
- texas storksbill
- taxus brevifolia
- syrian bean caper
- synthetic rubber
- synthetic cubism
- swedish rye bread
- swedish meatball
- sutura lamboidea
- sulphur bacteria
- suffragan bishop
- substantia nigra
- subordinate word
- suborder tyranni
- sublingual gland
- subclass rosidae
- stringybark pine
- strawberry blite
- stillborn infant
- steel arch bridge
- statue of liberty
- star-leaf begonia
- st. basil the great
- spizella arborea
- sorbus aucuparia
- sorbus americana
- sorbian language
- sorbent material
- sodium carbonate
- soapberry family
- smooth bark kauri
- sir jacob epstein
- simarouba glauca
- silybum marianum
- silver sagebrush
- sidney james webb
- sida rhombifolia
- sickness benefit
- siberian pea tree
- shipboard system
- shining clubmoss
- shagbark hickory
- sensible horizon
- senecio jacobaea
- sebastes marinus
- seaside scrub oak
- schreiber's aster
- saxicola rubetra
- san francisco bay
- salvia verbenaca
- salt-rising bread
- salix babylonica
- saint-john's-bread
- saint petersburg
- sagebrush lizard
- sabbatical leave
- rubiaceous plant
- rubber-base paint
- robinson jeffers
- richard j. roberts
- ribes sanguineum
- rhus diversiloba
- rhode island bent
- reusable routine
- religious belief
- red-bellied snake
- ratibida tagetes
- rainbow seaperch
- radio brightness
- rabbit's-foot fern
- quercus borealis
- push-button radio
- publishing house
- public transport
- public relations
- prunus sieboldii
- proboscis monkey
- proboscis flower
- pride of barbados
- prairia sabbatia
- posthumous birth
- police constable
- pocketbook issue
- pitot-static tube
- pipturus albidus
- pinus thunbergii
- pinus cembroides
- pinus albicaulis
- pink sand verbena
- pinckneya pubens
- pilot blacksnake
- oxylebius pictus
- otto von bismarck
- os tarsi fibulare
- obstetrical toad
- observation post
- observation dome
- not by a long sight
- northern baptist
- nitrous bacteria
- nickel-base alloy
- new english bible
- nestor notabilis
- nash equilibrium
- naked as a jaybird
- monohybrid cross
- mirabilis laevis
- mirabilis jalapa
- mandibular fossa
- lupinus arboreus
- louis the bruiser
- lobbying expense
- living substance
- linnaea borealis
- lilium catesbaei
- liebig condenser
- lexical database
- leprosy bacillus
- lashkar-e-tayyiba
- laser-guided bomb
- larus ridibundus
- labial consonant
- juniperus sabina
- jorge luis borges
- john wilkes booth
- jacobus arminius
- isobutyl nitrite
- irish strawberry
- iresine herbstii
- intangible asset
- instruction book
- in the same breath
- ibn talal hussein
- hydraulic brakes
- hieronymus bosch
- hibiscus trionum
- herb christopher
- helleborus niger
- guru granth sahib
- giuseppe balsamo
- genus tupinambis
- genus trombicula
- genus thunbergia
- genus sisymbrium
- genus sebastiana
- genus polybotria
- genus podilymbus
- genus phlebodium
- genus onobrychis
- genus nycticebus
- genus libocedrus
- genus klebsiella
- genus ixobrychus
- genus illecebrum
- genus holbrookia
- genus hippobosca
- genus haematobia
- genus embothrium
- genus dermatobia
- genus dendrobium
- genus callicebus
- genus brunfelsia
- genus brugmansia
- genus brevoortia
- genus botrychium
- genus biscutella
- genus beaumontia
- genus basiliscus
- genus bairdiella
- garbage disposal
- gambusia affinis
- full service bank
- francis beaumont
- first-degree burn
- ficus rubiginosa
- fashion business
- false vampire bat
- fabric stiffener
- evening grosbeak
- euphorbia peplus
- euphorbia ingens
- erroneous belief
- english lady crab
- embryonic tissue
- elizabeth seaman
- edward g. robinson
- edible sea urchin
- eastern kingbird
- drive-by shooting
- doing business as
- dobereiner's lamp
- distribution law
- distributed fire
- disability check
- dioscorea batata
- diceros bicornis
- dalbergia retusa
- cotinus obovatus
- common spoonbill
- colour blindness
- climbing boneset
- clematis vitalba
- classical ballet
- chinese hibiscus
- chilean firebush
- charitable trust
- caspar bartholin
- caribbean island
- carbonic acid gas
- carbon disulfide
- capparis arborea
- cape sable island
- candida albicans
- cactus euphorbia
- cable television
- bypass capacitor
- business college
- business address
- bullhead catfish
- built-soap powder
- building society
- buffered aspirin
- bubo virginianus
- brussels griffon
- brussels biscuit
- brushing machine
- brown university
- brown onion sauce
- bronzed diabetes
- bronchial asthma
- bromus secalinus
- bromus japonicus
- brodiaea elegans
- broadly speaking
- british columbia
- bristly oxtongue
- bristlecone pine
- breach of promise
- brass instrument
- bowiea volubilis
- bosphorus bridge
- boron fertiliser
- bornholm disease
- book of leviticus
- bomarea salsilla
- boletus variipes
- boletus pallidus
- boatswain's chair
- bluegrass region
- blue false indigo
- block anesthesia
- bletilla striata
- blenheim spaniel
- blechnum spicant
- blasting gelatin
- bladder disorder
- black rudderfish
- black rhinoceros
- black nightshade
- bird's-nest fungus
- bird's-foot violet
- bird's foot clover
- bipolar disorder
- biosafety level 4
- biosafety level 3
- biosafety level 2
- biosafety level 1
- binocular vision
- binet-simon scale
- bimetallic strip
- bigtoothed aspen
- big-toothed aspen
- bidens bipinnata
- bicameral script
- bertillon system
- benthic division
- belgian sheepdog
- belgian beef stew
- behind-the-scenes
- batch processing
- basket spikemoss
- basilar membrane
- basil of caesarea
- baseball diamond
- basal metabolism
- baruch de spinoza
- bartholin's gland
- barnaby's thistle
- banking industry
- bambusa vulgaris
- ballast resistor
- balkan peninsula
- balkan mountains
- balearic islands
- bacteria species
- bachelor of music
- astilbe japonica
- aster novi-belgii
- as far as possible
- arteria lumbalis
- arteria labialis
- arnold of brescia
- armored searobin
- armored sea robin
- arminian baptist
- anthrax bacillus
- animal husbandry
- angostura bridge
- aneides lugubris
- anabolic steroid
- american lobster
- ambrosia trifida
- ambrose burnside
- allium tuberosum
- alaskan king crab
- airline business
- aerobic exercise
- aedes albopictus
- adhesive bandage
- active subwoofer
- acid-base balance
- absurdist humour
- absolute ceiling
- abronia fragrans
- abdominal muscle
- abasia trepidans
