sail vs rack

sail and rack both are nouns.

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

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

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

sail (noun)	rack (noun)
an ocean trip taken for pleasure	a rapid gait of a horse in which each foot strikes the ground separately
a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel	a form of torture in which pain is inflicted by stretching the body
any structure that resembles a sail	a support for displaying ot holding various articles
	an instrument of torture that stretches or disjoints or mutilates victims
	the destruction or collapse of something
	rib section of a forequarter of veal or pork or especially lamb or mutton

sail (verb)	rack (verb)
travel on water propelled by wind	torture on the rack
move with sweeping, effortless, gliding motions	seize together, as of parallel ropes of a tackle in order to prevent running through the block
travel on water propelled by wind or by other means	place in a rack
traverse or travel on (a body of water)	work on a rack
	stretch to the limits
	torment emotionally or mentally
	go at a rack
	draw off from the lees
	run before a gale
	fly in high wind
	obtain by coercion or intimidation
	put on a rack and pinion