study vs student

study and student both are nouns.

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

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

study (verb)	student (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