Pholis gunnellus vs rock gunnel

Pholis gunnellus and rock gunnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pholis gunnellus	Yes	No	No	No
rock gunnel	Yes	No	No	No

As nouns, Pholis gunnellus and rock gunnel are synonyms defined as:

Pholis gunnellus and rock gunnel: slippery scaleless food fish of the northern Atlantic coastal waters

Other synonyms of Pholis gunnellus include butterfish.

Pholis gunnellus (noun)	rock gunnel (noun)
slippery scaleless food fish of the northern Atlantic coastal waters	slippery scaleless food fish of the northern Atlantic coastal waters