mimicry vs personation

mimicry and personation both are nouns.

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

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

Other hypernyms of mimicry include impersonation.

mimicry (noun)	personation (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	acting the part of a character on stage; dramatically representing the character by speech and action and gesture