shadower vs spy

shadower and spy both are nouns.

Word	Noun	Adjective	Verb	Adverb
shadower	Yes	No	No	No
spy	Yes	No	Yes	No

As nouns, spy is a hypernym of shadower; that is, spy is a word with a broader meaning than shadower:

Other hypernyms of shadower include follower.

shadower (noun)	spy (noun)
a spy employed to follow someone and report their movements	(military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
	a secret watcher; someone who secretly watches other people

shadower (verb)	spy (verb)
	secretly collect sensitive or classified information; engage in espionage
	watch, observe, or inquire secretly
	catch sight of
	catch sight of; to perceive with the eyes