crackerjack vs nonsuch

crackerjack and nonsuch both are nouns.

Word	Noun	Adjective	Verb	Adverb
crackerjack	Yes	No	No	No
nonsuch	Yes	No	No	No

As nouns, nonsuch is a hypernym of crackerjack; that is, nonsuch is a word with a broader meaning than crackerjack:

Other hypernyms of crackerjack include apotheosis, ideal, nonesuch, nonpareil, paragon, saint.

crackerjack (noun)	nonsuch (noun)
something excellent of its kind	model of excellence or perfection of a kind; one having no equal
someone excellent of their kind