life history vs history

life history and history both are nouns.

Word	Noun	Adjective	Verb	Adverb
life history	Yes	No	No	No
history	Yes	No	No	No

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

Other hypernyms of life history include account, chronicle, story.

life history (noun)	history (noun)
the general progression of your working or professional life	the discipline that records and interprets past events involving human beings
an account of the series of events making up a person's life	all that is remembered of the past as preserved in writing; a body of knowledge
	a record or narrative description of past events
	the aggregate of past events
	the continuum of events occurring in succession leading from the past to the present and even into the future