- brisk
- brisken
- brisket
- briskly
- brisling
- bristle
- bristle worm
- bristle-grass
- bristle-thighed curlew
- bristlebird
- bristlecone pine
- bristlemouth
- bristletail
- bristly
- bristly sarsaparilla
- bristols
- brisé
- brit
- brit milah
- britches
- brith
- britt
- brittany blue
- brittle
- brittle bone disease
- brittle fern
- brittle star
- brittle-star
- brittlebush
- britzka
- bro
- bro talk
- bro-ey
- bro.
- broach
- broad
- broad arrow
- broad bean
- broad construction
- broad daylight
- broad gauge
- broad glass
- broad hatchet
- broad in the beam
- broad jump
- broad reach
- broad seal
- broad shoulders, have
- broad-based
- broad-brush
- broad-gauge
- broad-jump
- broad-leaved
- broad-leaved maple
- broad-minded
- broad-spectrum
- broad-winged hawk
- broadax
- broadband
- broadbill
- broadbrim
- broadbrush
- broadcast
- broadcast journalism
- broadcaster
- broadcasting
- broadcloth
- broaden
- broadfaced
- broadhead
- broadleaf
- broadline
- broadloom
- broadloom carpet
- broadly
- broadness
- broadsheet
- broadside
- broadsword
- broadtail
- broadus
- broadwife
- brob
- brocade
- brocatel
- brocatelle
- broccoli
- broccoli rabe
- broch
- brochantite
- broche
- brochette
- brocho
- brochure
- broché
- brock
- brockage
- brocket
- broddle
- broderie anglaise
- brodiaea
- brodie
- broekies
- brog
- brogan
- brogrammer
- brogue
- broider
- broil
- broiler
- broiler house
- brokage
- broke
- broken
- broken chord
- broken coal
- broken consort
- broken field
- broken heart
- broken home
- broken ice
- broken line
- broken lot
- broken pediment
- broken play
- broken reed
- broken twill weave
- broken water
- broken wind
- broken-check
- broken-down
- broken-field
- brokenhearted
- broker
- broker-dealer
- brokerage
- brokered convention
- broking
- brolga
- brolly
- brom-
- bromal
- bromance
- bromantic
- bromate
- bromatium
- brome grass
- bromegrass
- bromelain
- bromeliad
- bromelin
- bromeosin
- bromhidrosis
- bromic
- bromic acid
- bromide
- bromide paper
- bromidic
- brominate
- bromine
- bromine pentafluoride
- bromism
- bromize
- bromo-
- bromoacetone
- bromochloromethane
- bromocriptine
- bromoform
- bromoil
- bromoil process
- bromomethane
- bromosexual
- bromouracil
- brompheniramine
- bronc
- bronch-
- bronchi
- bronchia
- bronchial
- bronchial asthma
- bronchial tube
- bronchial tubes
- bronchiectasis
- bronchiole
- bronchiolitis
- bronchitis
- broncho
- broncho-
- bronchocandidiasis
- bronchocele
- bronchodilator
- bronchography
- bronchopneumonia
- bronchopulmonary
- bronchorrhagia
- bronchoscope
- bronchoscopy
- bronchospasm
- bronchus
- bronco
- broncobuster
- brontide
- brontobyte
- brontosaur
- brontosaurus
- bronze
- bronze age
- bronze medal
- bronze whaler
- bronzed grackle
- bronzer
- bronzing
- bronzite
- brooch
- brood
- brood bitch
- brood bud
- brood parasite
- brood parasitism
- brood pouch
- brooder
- brooding
- broodmare
- broody
- brook
- brook trout
- brookie
- brookite
- brooklet
- brooklime
- brookweed
- brooky
- broom
- broom board
- broomball
- broomcorn
- broomrape
- broomrape family
- broomstick
- broomstick skirt
- broomy
- bros.
- brose
- broth
- brothel
- brother
- brother's keeper, Am I my
- brother-in-law
- brotherhood
- brotherly
- brotula
- brotus
- brougham
- brought
- brought-on
- broughta
- brouhaha
- brow
- brow antler
- browband
- browbeat
- browed
- brown
- brown alga
- brown algae
- brown bag
- brown bagger
- brown bagging
- brown bat
- brown bear
- brown belt
- brown bent
- brown betty
- brown bread
- brown bullhead
- brown butter
- brown canker
- brown coal
- brown coat
- brown cow
- brown creeper
- brown dwarf
- brown earth
- brown fat
- brown goods
- brown hackle
- brown heart
- brown hydrogen
- brown hyena
- brown lung
- brown lung disease
- brown mustard
- brown noise
- brown nose
- brown owl
- brown paper
- brown patch
- brown rat
- brown recluse spider
- brown rice