nonpareil vs jimdandy

nonpareil and jimdandy both are nouns.

Word	Noun	Adjective	Verb	Adverb
nonpareil	Yes	Yes	No	No
jimdandy	Yes	No	No	No

As nouns, jimdandy is a hyponym of nonpareil; that is, jimdandy is a word with a more specific, narrower meaning than nonpareil:

Other hyponyms of nonpareil include crackerjack, jimhickey, class act, humdinger.

nonpareil (noun)	jimdandy (noun)
colored beads of sugar used as a topping on e.g. candies and cookies	something excellent of its kind
a flat disk of chocolate covered with beads of colored sugar	someone excellent of their kind
model of excellence or perfection of a kind; one having no equal

nonpareil (adjective)	jimdandy (adjective)
eminent beyond or above comparison