compare vs study

compare and study both are nouns.

Word	Noun	Adjective	Verb	Adverb
compare	Yes	No	Yes	No
study	Yes	No	Yes	No

As verbs, study is a hypernym of compare; that is, study is a word with a broader meaning than compare:

compare: examine and note the similarities or differences of
study: consider in detail and subject to an analysis in order to discover essential features or meaning

Other hypernyms of compare include analyse, analyze, canvass, examine.

As verbs, study is a hypernym of compare; that is, study is a word with a broader meaning than compare:

Other hypernyms of compare include consider.

compare (noun)	study (noun)
qualities that are comparable	a detailed critical inspection
	a room used for reading and writing and studying
	preliminary drawing for later elaboration
	attentive consideration and meditation
	a branch of knowledge
	applying the mind to learning and understanding a subject (especially by reading)
	a state of deep mental absorption
	a written document describing the findings of some individual or group
	a composition intended to develop one aspect of the performer's technique
	someone who memorizes quickly and easily (as the lines for a part in a play)

compare (verb)	study (verb)
examine and note the similarities or differences of	be a student of a certain subject
consider or describe as similar, equal, or analogous	learn by reading books
to form the comparative or superlative form on an adjective or adverb	consider in detail and subject to an analysis in order to discover essential features or meaning
be comparable	be a student; follow a course of study; be enrolled at an institute of learning
	think intently and at length, as for spiritual purposes
	give careful consideration to