jib vs sail

jib and sail both are nouns.

Word	Noun	Adjective	Verb	Adverb
jib	Yes	No	Yes	No
sail	Yes	No	Yes	No

As verbs, sail is a hypernym of jib; that is, sail is a word with a broader meaning than jib:

jib (noun)	sail (noun)
any triangular fore-and-aft sail (set forward of the foremast)	an ocean trip taken for pleasure
	a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
	any structure that resembles a sail

jib (verb)	sail (verb)
shift from one side of the ship to the other	travel on water propelled by wind
refuse to comply	move with sweeping, effortless, gliding motions
	travel on water propelled by wind or by other means
	traverse or travel on (a body of water)