follow vs shadow

follow is not a noun while shadow is a noun.

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

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

Other hyponyms of follow include dawdle, fall back, fall behind, lag, tailgate, carry.

follow (noun)	shadow (noun)
	refuge from danger or observation
	something existing in perception only
	an indication that something has been present
	a premonition of something adverse
	an unilluminated area
	a spy employed to follow someone and report their movements
	an inseparable companion
	a dominating and pervasive presence
	shade within clear boundaries

follow (verb)	shadow (verb)
behave in accordance or in agreement with	follow, usually without the person's knowledge
keep informed	make appear small by comparison
keep to	cast a shadow over
follow, discover, or ascertain the course of development of something
grasp the meaning
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