turn over vs study

turn over is not a noun while study is a noun.

Word	Noun	Adjective	Verb	Adverb
turn over	No	No	Yes	No
study	Yes	No	Yes	No

turn over (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)

turn over (verb)	study (verb)
think about carefully; weigh	be a student of a certain subject
turn up, loosen, or remove earth	learn by reading books
turn upside down, or throw so as to reverse	consider in detail and subject to an analysis in order to discover essential features or meaning
turn from an upright or normal position	be a student; follow a course of study; be enrolled at an institute of learning
cause to overturn from an upright or normal position	think intently and at length, as for spiritual purposes
move by turning over or rotating	give careful consideration to
cause to move around a center so as to show another side of
place into the hands or custody of
do business worth a certain amount of money