learn vs study

learn is not a noun while study is a noun.

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

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

Other hyponyms of learn include relearn, catch up, absorb, assimilate, ingest, take in, hit the books.

As verbs, learn and study are synonyms defined as:

Other synonyms of learn include read, take.

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

Other hypernyms of learn include hit the books.

learn (noun)	study (noun)
	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)

learn (verb)	study (verb)
gain knowledge or skills	be a student of a certain subject
get to know or become aware of, usually accidentally	learn by reading books
be a student of a certain subject	consider in detail and subject to an analysis in order to discover essential features or meaning
commit to memory; learn by heart	be a student; follow a course of study; be enrolled at an institute of learning
impart skills or knowledge to	think intently and at length, as for spiritual purposes
find out, learn, or determine with certainty, usually by making an inquiry or other effort	give careful consideration to