acquire vs leaf

acquire is not a noun while leaf is a noun.

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

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

acquire: come to have or undergo a change of (physical features and attributes)
leaf: produce leaves, of plants

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

acquire (noun)	leaf (noun)
	hinged or detachable flat section (as of a table or door)
	a sheet of any written or printed material (especially in a manuscript or book)
	the main organ of photosynthesis and transpiration in higher plants

acquire (verb)	leaf (verb)
come to have or undergo a change of (physical features and attributes)	produce leaves, of plants
take on a certain form, attribute, or aspect	turn over pages
gain through experience	look through a book or other written material
gain knowledge or skills
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