truck·le 
(trŭkəl)
(trŭkəl)n.
A small wheel or roller; a caster.
intr.v. truck·led, truck·ling, truck·les
To be servile or submissive. See Synonyms at fawn1.
[Middle English trocle, pulley, from Anglo-Norman, from Latin trochlea, system of pulleys; see TROCHLEA.]
truckler n.
- benzophenone
- benzopyrene
- benzoyl
- benzoyl peroxide
- benzpyrene
- benzyl
- benzylpenicillin
- be off feed
- be off (one's) feed
- be off one's feed
- be of one mind
- be of service
- be of two minds
- be on game
- be on high horse
- be on (one's) game
- be on one's game
- be on one's high horse
- be on to
- be out of here
- Beowulf
- be prepared
- bequeath
- bequeathal
- bequeather