imitator vs parrot

imitator and parrot both are nouns.

Word	Noun	Adjective	Verb	Adverb
imitator	Yes	No	No	No
parrot	Yes	No	Yes	No

As nouns, parrot is a hyponym of imitator; that is, parrot is a word with a more specific, narrower meaning than imitator:

Other hyponyms of imitator include epigon, epigone.

imitator (noun)	parrot (noun)
someone who copies the words or behavior of another	usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds
someone who (fraudulently) assumes the appearance of another	a copycat who does not understand the words or acts being imitated

imitator (verb)	parrot (verb)
	repeat mindlessly