oarfish vs ribbonfish

oarfish and ribbonfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
oarfish	Yes	No	No	No
ribbonfish	Yes	No	No	No

As nouns, oarfish and ribbonfish are synonyms defined as:

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

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

oarfish (noun)	ribbonfish (noun)
thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin	marine fish having a long compressed ribbonlike body
	thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin