hagiography vs life story

hagiography and life story both are nouns.

Word	Noun	Adjective	Verb	Adverb
hagiography	Yes	No	No	No
life story	Yes	No	No	No

As nouns, life story is a hypernym of hagiography; that is, life story is a word with a broader meaning than hagiography:

hagiography: a biography that idealizes or idolizes the person (especially a person who is a saint)
life story: an account of the series of events making up a person's life

Other hypernyms of hagiography include biography, life, life history.

hagiography (noun)	life story (noun)
a biography that idealizes or idolizes the person (especially a person who is a saint)	an account of the series of events making up a person's life