bracketed blenny vs gunnel

bracketed blenny and gunnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
bracketed blenny	Yes	No	No	No
gunnel	Yes	No	No	No

As nouns, bracketed blenny and gunnel are synonyms defined as:

bracketed blenny and gunnel: small eellike fishes common in shallow waters of the northern Atlantic

bracketed blenny (noun)	gunnel (noun)
small eellike fishes common in shallow waters of the northern Atlantic	small eellike fishes common in shallow waters of the northern Atlantic
	wale at the top of the side of boat; topmost planking of a wooden vessel