- broncho-pneumonia
- bronchocele
- bronchoconstrictor
- bronchoesophagoscopy
- bronchogenic
- bronchography
- broncholith
- bronchomycosis
- bronchophony
- bronchopneumonia
- bronchopneumonictuberculosis
- bronchopulmonary septicaemia
- bronchopulmonary spirochetosis
- bronchoscope
- bronchoscopic
- bronchoscopist
- bronchoscopy
- bronchospasin
- bronchospirometry
- bronchus
- bronchus principalis
- bronco
- bronco-buster
- brontophobia
- brontosaurus
- bronx cheer
- bronze
- bronze welding
- bronze-bronze
- bronzing
- brooch
- brood
- brood cell
- brood-hen
- brood-mare
- brooder
- brooder heater
- broodily
- broodiness
- broody
- brook
- brook trout
- brookite
- brooklet
- broom
- broom corn
- broom-stick
- brooming
- broomstick
- broth
- broth cultivation
- broth tube
- brothel
- brother
- brotherhood
- brotherless
- brotherlike
- brotherliness
- brotherly
- brougham
- brought
- brought down
- brouhaha
- brow
- brow pang
- brow-ague
- browbeat
- browbeaten
- brown
- brown acid
- brown bagging
- brown bread
- brown cheese
- brown coal
- brown coat
- brown earth
- brown fat
- brown flour
- brown gasoline
- brown grease
- brown heamatite
- brown lime
- brown malt
- brown oil
- brown paper
- brown rice
- brown rot
- brown shorts
- brown smoke
- brown spot
- brown study
- brown sugar
- brown trout
- brown umber
- brown ware
- brown-out
- brown-shirt
- browned-off
- brownie
- browning