- bunk off
- Bureau of Alcohol Tobacco and Firearms
- bradypus tridactylus
- batrachomyomachia
- bizzare assymmetrical location
- burdensomeness
- beanball
- Bolshevist
- bidens bipinnata
- blepharoplasty
- blephilia celiata
- bolti
- boltzmann
- bruges
- balsamy
- brickdust
- brickfield
- besseya alpina
- ballot paper
- bellini
- Bignoniaceae
- biohazard
- bio data
- belles_lettres
- belles lettres
- bird fancier
- blastogenesis
- boundary condition
- boundary test
- ballade
- bedazzle
- blind spot
- blind carbon copy
- blacklead
- besmear
- bowler
- bottler
- beat around the bush
- bill of health
- bridge hand
- bluff out
- bluewing
- Boy Scouts
- bathtub
- bathing tub
- bonn
- brashly
- brazenly
- bird_scarer
- bran_new