life history vs career

life history and career both are nouns.

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

As nouns, life history and career are synonyms defined as:

life history and career: the general progression of your working or professional life

life history (noun)	career (noun)
the general progression of your working or professional life	the particular occupation for which you are trained
an account of the series of events making up a person's life	the general progression of your working or professional life

life history (verb)	career (verb)
	move headlong at high speed