Regalecus glesne vs oarfish

Regalecus glesne and oarfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Regalecus glesne	Yes	No	No	No
oarfish	Yes	No	No	No

As nouns, Regalecus glesne and oarfish are synonyms defined as:

Regalecus glesne and oarfish: thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin

Other synonyms of Regalecus glesne include king of the herring, ribbonfish.

Regalecus glesne (noun)	oarfish (noun)
thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin	thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin