accessary vs malefactor

accessary and malefactor both are nouns.

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

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

accessary: someone who helps another person commit a crime
malefactor: someone who has committed a crime or has been legally convicted of a crime

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

accessary (noun)	malefactor (noun)
someone who helps another person commit a crime	someone who has committed a crime or has been legally convicted of a crime

accessary (adjective)	malefactor (adjective)
aiding and abetting in a crime