admiral vs nymphalid butterfly

admiral and nymphalid butterfly both are nouns.

Word	Noun	Adjective	Verb	Adverb
admiral	Yes	No	No	No
nymphalid butterfly	Yes	No	No	No

As nouns, nymphalid butterfly is a hypernym of admiral; that is, nymphalid butterfly is a word with a broader meaning than admiral:

admiral: any of several brightly colored butterflies
nymphalid butterfly: medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast

Other hypernyms of admiral include brush-footed butterfly, four-footed butterfly, nymphalid.

admiral (noun)	nymphalid butterfly (noun)
any of several brightly colored butterflies	medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast
the supreme commander of a fleet; ranks above a vice admiral and below a fleet admiral