playing vs personation

playing and personation both are nouns.

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

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

playing: the performance of a part or role in a drama
personation: acting the part of a character on stage; dramatically representing the character by speech and action and gesture

playing (noun)	personation (noun)
the action of taking part in a game or sport or other recreation	imitating the mannerisms of another person
the act of playing a musical instrument	acting the part of a character on stage; dramatically representing the character by speech and action and gesture
the performance of a part or role in a drama