gunwale vs gunnel

gunwale and gunnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
gunwale	Yes	No	No	No
gunnel	Yes	No	No	No

As nouns, gunwale and gunnel are synonyms defined as:

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

Other synonyms of gunwale include gun rest.

gunwale (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