mafioso vs crook

mafioso and crook both are nouns.

Word	Noun	Adjective	Verb	Adverb
mafioso	Yes	No	No	No
crook	Yes	No	Yes	No

As nouns, crook is a hypernym of mafioso; that is, crook is a word with a broader meaning than mafioso:

mafioso: a member of the Mafia crime syndicate in the United States
crook: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of mafioso include criminal, felon, malefactor, outlaw.

mafioso (noun)	crook (noun)
a member of the Mafia crime syndicate in the United States	a long staff with one end being hook shaped
a member of the Sicilian Mafia	someone who has committed a crime or has been legally convicted of a crime
	a circular segment of a curve

mafioso (verb)	crook (verb)
	bend or cause to bend