crook vs malefactor

crook and malefactor both are nouns.

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

As nouns, crook and malefactor are synonyms defined as:

crook and malefactor: someone who has committed a crime or has been legally convicted of a crime

Other synonyms of crook include criminal, felon, outlaw.

crook (noun)	malefactor (noun)
a long staff with one end being hook shaped	someone who has committed a crime or has been legally convicted of a crime
someone who has committed a crime or has been legally convicted of a crime
a circular segment of a curve

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