moonfish vs horsefish

moonfish and horsefish both are nouns.

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

As nouns, moonfish and horsefish are synonyms defined as:

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

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

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