| BABYPROOFS | • babyproofs v. Third-person singular simple present indicative form of babyproof. • BABYPROOF v. to render e.g. a room safe for babies. |
| BIOFOULERS | • biofoulers n. Plural of biofouler. • BIOFOULER n. an animal that obstructs or corrupts the environment. |
| BIRDSFOOTS | • bird's-foots n. Plural of bird’s-foot. • BIRDSFOOT n. a papilionaceous genus of plants with clawlike pods. |
| BOMBPROOFS | • bombproofs n. Plural of bombproof. • BOMBPROOF v. to make proof against bombs. |
| BRAINFOODS | • brainfoods n. Plural of brainfood. • BRAINFOOD n. any foodstuff containing nutrients thought to promote brain function, such as oily fish which is rich in omega-3 oils. |
| BROMOFORMS | • bromoforms n. Plural of bromoform. • BROMOFORM n. a bromine compound analogous to chloroform. |
| BROOMSTAFF | • broomstaff n. (Obsolete) A broomstick. • BROOMSTAFF n. (archaic) a broomstick. |
| FOOTBOARDS | • footboards n. Plural of footboard. • FOOTBOARD n. a support for the feet in a carriage or elsewhere. |
| FOOTBRAKES | • foot␣brakes n. Plural of foot brake. • FOOTBRAKE n. a brake operated by the foot. |
| FOREBODERS | • foreboders n. Plural of foreboder. • FOREBODER n. a person who or thing which forbodes. |
| FOREBODIES | • forebodies n. Plural of forebody. • FOREBODY n. the forward part of a ship. |
| FOULBROODS | • FOULBROOD n. a bacterial disease of bee larvae. |
| FROSTBOUND | • frostbound adj. Bound or confined by frost. • FROSTBOUND adj. bound or confined by frost. |
| SUBWOOFERS | • subwoofers n. Plural of subwoofer. • SUBWOOFER n. part of a sound system. |