elaterid vs skipjack

elaterid and skipjack both are nouns.

Word	Noun	Adjective	Verb	Adverb
elaterid	Yes	No	No	No
skipjack	Yes	No	No	No

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

elaterid: any of various widely distributed beetles
skipjack: able to right itself when on its back by flipping into the air with a clicking sound

Other hyponyms of elaterid include click beetle, snapping beetle, fire beetle, firefly, Pyrophorus noctiluca.

elaterid (noun)	skipjack (noun)
any of various widely distributed beetles	oceanic schooling tuna of considerable value in Pacific but less in Atlantic; reaches 75 pounds; very similar to if not the same as oceanic bonito
	medium-sized tuna-like food fish of warm Atlantic and Pacific waters; less valued than tuna
	able to right itself when on its back by flipping into the air with a clicking sound