escolar vs gempylid

escolar and gempylid both are nouns.

Word	Noun	Adjective	Verb	Adverb
escolar	Yes	No	No	No
gempylid	Yes	No	No	No

As nouns, gempylid is a hypernym of escolar; that is, gempylid is a word with a broader meaning than escolar:

escolar: large snake mackerel with rings like spectacles around its eyes
gempylid: snake mackerels; elongated marine fishes with oily flesh; resembles mackerels; found worldwide

escolar (noun)	gempylid (noun)
large snake mackerel with rings like spectacles around its eyes	snake mackerels; elongated marine fishes with oily flesh; resembles mackerels; found worldwide