acquire vs stool

acquire is not a noun while stool is a noun.

Word	Noun	Adjective	Verb	Adverb
acquire	No	No	Yes	No
stool	Yes	No	Yes	No

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

acquire: come to have or undergo a change of (physical features and attributes)
stool: grow shoots in the form of stools or tillers

Other hyponyms of acquire include feather, fledge, regrow, spring, sprout, stock, tiller, leaf, pod, teethe, pupate, get up, work up, cut.

acquire (noun)	stool (noun)
	a simple seat without a back or arms
	a plumbing fixture for defecation and urination
	(forestry) the stump of a tree that has been felled or headed for the production of saplings
	solid excretory product evacuated from the bowels

acquire (verb)	stool (verb)
come to have or undergo a change of (physical features and attributes)	have a bowel movement
take on a certain form, attribute, or aspect	grow shoots in the form of stools or tillers
gain through experience	react to a decoy, of wildfowl
gain knowledge or skills	lure with a stool, as of wild fowl
come into the possession of something concrete or abstract
win something through one's efforts
locate (a moving entity) by means of a tracking system such as radar