elater vs firefly

elater and firefly both are nouns.

Word	Noun	Adjective	Verb	Adverb
elater	Yes	No	No	No
firefly	Yes	No	No	No

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

Other hyponyms of elater include click beetle, skipjack, snapping beetle, fire beetle, Pyrophorus noctiluca.

elater (noun)	firefly (noun)
any of various widely distributed beetles	nocturnal beetle common in warm regions having luminescent abdominal organs
	tropical American click beetle having bright luminous spots