Crank

коляно

koljano

(a bent piece of an axle or shaft, or an arm attached to the end of a shaft or wheel, used to impart a rotation)

манивела

manivela

(a bent piece of an axle or shaft, or an arm attached to the end of a shaft or wheel, used to impart a rotation)

темерут

temerut

(ill-tempered or nasty person)

чудак

čudak

(slang: strange person)