sail vs jib

sail and jib both are nouns.

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

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

Other hyponyms of sail include run, luff, point, weather, beat, rack, scud, outpoint, tack, wear round, wear ship, change course, gybe, jibe.

sail (noun)	jib (noun)
an ocean trip taken for pleasure	any triangular fore-and-aft sail (set forward of the foremast)
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

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