traitor vs crook

traitor and crook both are nouns.

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

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

traitor: someone who betrays his country by committing treason
crook: someone who has committed a crime or has been legally convicted of a crime

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

traitor (noun)	crook (noun)
someone who betrays his country by committing treason	a long staff with one end being hook shaped
a person who says one thing and does another	someone who has committed a crime or has been legally convicted of a crime
	a circular segment of a curve

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