furl vs brail

furl is not a noun while brail is a noun.

Word	Noun	Adjective	Verb	Adverb
furl	No	No	Yes	No
brail	Yes	No	Yes	No

As verbs, brail is a hyponym of furl; that is, brail is a word with a more specific, narrower meaning than furl:

Other hyponyms of furl include douse, reef, bolt, gather in, take in.

furl (noun)	brail (noun)
	a small rope (one of several) used to draw a sail in
	a small net used to draw fish into a boat

furl (verb)	brail (verb)
form into a cylinder by rolling	haul fish aboard with brails
	take in a sail with a brail