student vs study

student and study both are nouns.

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

student (noun)	study (noun)
a learner who is enrolled in an educational institution	a detailed critical inspection
someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs	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)

student (verb)	study (verb)
	be a student of a certain subject
	learn by reading books
	consider in detail and subject to an analysis in order to discover essential features or meaning
	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