personification vs someone

personification and someone both are nouns.

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

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

personification: a person who represents an abstract quality
someone: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of personification include individual, mortal, person, somebody, soul.

personification (noun)	someone (noun)
the act of attributing human characteristics to abstract ideas etc.	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential
representing an abstract quality or idea as a person or creature
a person who represents an abstract quality