gun rest vs gunwale

gun rest and gunwale both are nouns.

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

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

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

Other synonyms of gun rest include gunnel.

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