mismatched vs unmatched

mismatched and unmatched both are adjectives.

Word	Noun	Adjective	Verb	Adverb
mismatched	No	Yes	No	No
unmatched	No	Yes	No	No

mismatched (adjective)	unmatched (adjective)
either not matched or unsuitably matched	eminent beyond or above comparison
(of a contest or contestants) not fairly matched as opponents	of the remaining member of a pair