contemplate vs study

contemplate is not a noun while study is a noun.

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

As verbs, contemplate and study are synonyms defined as:

contemplate and study: think intently and at length, as for spiritual purposes

Other synonyms of contemplate include meditate.

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

Other hyponyms of contemplate include premeditate, theologise, theologize, introspect, bethink, cogitate, question, wonder, puzzle, consider.

contemplate (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)

contemplate (verb)	study (verb)
think intently and at length, as for spiritual purposes	be a student of a certain subject
reflect deeply on a subject	learn by reading books
consider as a possibility	consider in detail and subject to an analysis in order to discover essential features or meaning
look at thoughtfully; observe deep in thought	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