blackfish vs tautog

blackfish and tautog both are nouns.

Word	Noun	Adjective	Verb	Adverb
blackfish	Yes	No	No	No
tautog	Yes	No	No	No

As nouns, blackfish and tautog are synonyms defined as:

blackfish and tautog: large dark-colored food fish of the Atlantic coast of North America

Other synonyms of blackfish include Tautoga onitis.

blackfish (noun)	tautog (noun)
female salmon that has recently spawned	large dark-colored food fish of the Atlantic coast of North America
small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school
large dark-colored food fish of the Atlantic coast of North America