study vs follow

study is a noun but follow is not a noun.

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

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

study: consider in detail and subject to an analysis in order to discover essential features or meaning
follow: follow, discover, or ascertain the course of development of something

study (noun)	follow (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)

study (verb)	follow (verb)
be a student of a certain subject	behave in accordance or in agreement with
learn by reading books	keep informed
consider in detail and subject to an analysis in order to discover essential features or meaning	keep to
be a student; follow a course of study; be enrolled at an institute of learning	follow, discover, or ascertain the course of development of something
think intently and at length, as for spiritual purposes	grasp the meaning
give careful consideration to	imitate in behavior; take as a model
	perform an accompaniment to
	to travel behind, go after, come after
	travel along a certain course
	follow in or as if in pursuit
	keep under surveillance
	choose and follow; as of theories, ideas, policies, strategies or plans
	to subscribe to someone's updates on social media
	to be subscribed to updates from another user on social media
	act in accordance with someone's rules, commands, or wishes
	be the successor (of)
	follow with the eyes or the mind
	work in a specific place, with a specific subject, or in a specific function
	accept and follow the leadership or command or guidance of
	adhere to or practice
	be later in time
	come after in time, as a result
	be next
	to bring something about at a later time than
	to be the product or result
	come as a logical consequence; follow logically