toughie vs malefactor

toughie and malefactor both are nouns.

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

As nouns, malefactor is a hypernym of toughie; that is, malefactor is a word with a broader meaning than toughie:

toughie: an aggressive and violent young criminal
malefactor: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of toughie include criminal, crook, felon, outlaw.

toughie (noun)	malefactor (noun)
a particularly difficult or baffling question or problem	someone who has committed a crime or has been legally convicted of a crime
an aggressive and violent young criminal