dollarfish vs stromateid

dollarfish and stromateid both are nouns.

Word	Noun	Adjective	Verb	Adverb
dollarfish	Yes	No	No	No
stromateid	Yes	No	No	No

As nouns, stromateid is a hypernym of dollarfish; that is, stromateid is a word with a broader meaning than dollarfish:

dollarfish: small food fish of Atlantic coast
stromateid: small marine fish with a short compressed body and feeble spines

Other hypernyms of dollarfish include butterfish, stromateid fish.

dollarfish (noun)	stromateid (noun)
small food fish of Atlantic coast	small marine fish with a short compressed body and feeble spines
any of several silvery marine fishes with very flat bodies