Nouns that Start with B
- babbler
- babirusa
- babirussa
- baboon
- baby
- bacillus
- bacteria
- bacteriochlorophyll
- bacteriophage
- bacterium
- bacteroid
- badger
- bag
- balancer
- baldpate
- bandicoot
- bangtail
- bantam
- banteng
- barb
- barbel
- barbet
- barker
- barnacle
- barosaur
- barracouta
- barracuda
- barramundi
- basenji
- basilisk
- bass
- basset
- bat
- batfish
- batrachian
- bay
- beagle
- beak
- bear
- bearcat
- beard
- beaver
- bedbug
- bee
- beef
- beefalo
- beetle
- belemnite
- bellbird
- bellwether
- belly
- beluga
- biddy
- bigeye
- bighorn
- bilby
- bill
- billfish
- billy
- binturong
- biped
- bird
- bison
- bittern
- bivalve
- blackbird
- blackbuck
- blackcap
- blackcock
- blackfish
- blackfly
- blackpoll
- blacksnake
- blacktail
- blastocoel
- blastocoele
- blastocyst
- blastoderm
- blastodisc
- blastomere
- blastopore
- blastula
- blennioid
- blenny
- blindworm
- bloodhound
- bloodsucker
- bloodworm
- blower
- blowfish
- blowfly
- blue
- bluebill
- bluebird
- bluebottle
- bluefin
- bluefish
- bluegill
- bluehead
- bluepoint
- bluetick
- boa
- boar
- boarfish
- boarhound
- boatbill
- bob
- bobcat
- bobolink
- bobtail
- bobwhite
- bollworm
- bombycid
- bombyx
- bonefish
- bongo
- bonito
- bonobo
- booby
- booklouse
- borer
- borrelia
- borzoi
- bos
- bot
- botfly
- botulinum
- botulinus
- bovid
- bovine
- bowerbird
- bowfin
- bowhead
- boxer
- boxfish
- brachiopod
- brachyuran
- brahma
- brahmin
- brambling
- branchia
- branchiopod
- branchiopodan
- brant
- bream
- breast
- brent
- briard
- brill
- brisling
- bristle
- bristletail
- brit
- britt
- broadbill
- broadtail
- brocket
- bronc
- broncho
- bronco
- brontosaur
- brontosaurus
- broodmare
- broody
- brucella
- bruin
- brush
- bryozoan
- bubo
- buck
- buckskin
- budgerigar
- budgie
- buffalo
- buffalofish
- bufflehead
- bug
- bulbul
- bull
- bullbat
- bulldog
- bullfinch
- bullfrog
- bullhead
- bullock
- bullterrier
- bumblebee
- bunny
- bunting
- burbot
- burro
- bushbuck
- bushtit
- bustard
- buteo
- buteonine
- butterball
- butterfish
- butterfly
- buzzard
- bycatch
- byssus