life history vs procession

life history and procession both are nouns.

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

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

Other hypernyms of life history include advance, advancement, forward motion, onward motion, progress, progression.

life history (noun)	procession (noun)
the general progression of your working or professional life	the group action of a collection of people or animals or vehicles moving ahead in more or less regular formation
an account of the series of events making up a person's life	the act of moving forward (as toward a goal)
	(theology) the origination of the Holy Spirit at Pentecost