fore-and-aft sail vs luff

fore-and-aft sail and luff both are nouns.

Word	Noun	Adjective	Verb	Adverb
fore-and-aft sail	Yes	No	No	No
luff	Yes	No	Yes	No

fore-and-aft sail (noun)	luff (noun)
any sail not set on a yard and whose normal position is in a fore-and-aft direction	the act of sailing close to the wind
	(nautical) the forward edge of a fore-and-aft sail that is next to the mast

fore-and-aft sail (verb)	luff (verb)
	flap when the wind is blowing equally on both sides
	sail close to the wind