avatar vs personification

avatar and personification both are nouns.

Word	Noun	Adjective	Verb	Adverb
avatar	Yes	No	No	No
personification	Yes	No	No	No

As nouns, personification is a hypernym of avatar; that is, personification is a word with a broader meaning than avatar:

avatar (noun)	personification (noun)
the manifestation of a Hindu deity (especially Vishnu) in human or superhuman or animal form	the act of attributing human characteristics to abstract ideas etc.
a new personification of a familiar idea	representing an abstract quality or idea as a person or creature
	a person who represents an abstract quality