Merriam-Webster's Collegiate Dictionary:
breathable
breathalyzer
breathe
breathe down one's neck
breathe easier
breathe easily
breathe easy
breathe freely
breathed
breather
breathily
breathiness
breathing
breathing room
breathing space
breathing spell
breathing tube
breathless
breathlessly
breathlessness
breathtaking
breathtakingly
breathy
breccia
brecciate
brecciation
brecht
brechtian
breckinridge
brecknock
brecknockshire
brecon
brecon beacons
breconshire
bred-in-the-bone
breda
brede
breech
breech birth
breech delivery
breech presentation
breech-loading
breechblock
breechcloth
breechclout
breeches buoy
breeching
breechloader
breed
breeder
breeder reactor
breeding
breeding ground
breeks
breeze
breezeless
breezeway
breezily
breeziness
breezy
bregenz
bregma
bremen
bremerhaven
bremerton
bremsstrahlung
brennan
brenner
brenner pass
brent
brent goose
brenta
brentford and chiswick
brentwood
brescia
breslau
brest
brest litovsk
bretagne
brethren
breton
breton, cape
breughel
breve
brevet
breviary
brevity
brew
brewage
brewer
brewer's yeast
brewery
brewmaster
brewpub
brewski
brewster
breyer
