mimicry vs impersonation

mimicry and impersonation both are nouns.

Word	Noun	Adjective	Verb	Adverb
mimicry	Yes	No	No	No
impersonation	Yes	No	No	No

As nouns, impersonation is a hypernym of mimicry; that is, impersonation is a word with a broader meaning than mimicry:

Other hypernyms of mimicry include personation.

mimicry (noun)	impersonation (noun)
the act of mimicking; imitative behavior	imitating the mannerisms of another person
the resemblance of an animal species to another species or to natural objects; provides concealment and protection from predators	pretending to be another person
	a representation of a person that is exaggerated for comic effect