gun rest vs gunnel

gun rest and gunnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
gun rest	Yes	No	No	No
gunnel	Yes	No	No	No

As nouns, gun rest and gunnel are synonyms defined as:

gun rest and gunnel: wale at the top of the side of boat; topmost planking of a wooden vessel

Other synonyms of gun rest include gunwale.

gun rest (noun)	gunnel (noun)
wale at the top of the side of boat; topmost planking of a wooden vessel	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