acquire vs spring

acquire is not a noun while spring is a noun.

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

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

acquire: come to have or undergo a change of (physical features and attributes)
spring: develop suddenly

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

acquire (noun)	spring (noun)
	a light, self-propelled movement upwards or forwards
	a metal elastic device that returns to its shape or position when pushed or pulled or pressed
	the elasticity of something that can be stretched and returns to its original length
	a point at which water issues forth
	a natural flow of ground water
	the season of growth; spring; the beginning of spring

acquire (verb)	spring (verb)
come to have or undergo a change of (physical features and attributes)	develop suddenly
take on a certain form, attribute, or aspect	produce or disclose suddenly or unexpectedly
gain through experience	spring back; spring away from an impact
gain knowledge or skills	move forward by leaps and bounds
come into the possession of something concrete or abstract	develop into a distinctive entity
win something through one's efforts
locate (a moving entity) by means of a tracking system such as radar