moonfish vs dollarfish

moonfish and dollarfish both are nouns.

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

As nouns, moonfish and dollarfish are synonyms defined as:

moonfish and dollarfish: any of several silvery marine fishes with very flat bodies

Other synonyms of moonfish include Atlantic moonfish, horse-head, horsefish, horsehead, Selene setapinnis.

moonfish (noun)	dollarfish (noun)
large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean	small food fish of Atlantic coast
any of several silvery marine fishes with very flat bodies	any of several silvery marine fishes with very flat bodies