boat vs crank

boat and crank both are nouns.

Word	Noun	Adjective	Verb	Adverb
boat	Yes	No	Yes	No
crank	Yes	Yes	Yes	No

boat (noun)	crank (noun)
a small vessel for travel on water	a hand tool consisting of a rotating shaft with parallel handle
a dish (often boat-shaped) for serving gravy or sauce	an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
	a bad-tempered person
	a whimsically eccentric person

boat (adjective)	crank (adjective)
	(used of boats) inclined to heel over easily under sail