life story vs profile

life story and profile both are nouns.

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

As nouns, profile is a hyponym of life story; that is, profile is a word with a more specific, narrower meaning than life story:

Other hyponyms of life story include autobiography, hagiography.

life story (noun)	profile (noun)
an account of the series of events making up a person's life	biographical sketch
	an analysis (often in graphical form) representing the extent to which something exhibits various characteristics
	a vertical section of the Earth's crust showing the different horizons or layers
	an outline of something (especially a human face as seen from one side)
	degree of exposure to public notice

life story (verb)	profile (verb)
	represent in profile, by drawing or painting
	write about