facts of life vs procreation

facts of life and procreation both are nouns.

Word	Noun	Adjective	Verb	Adverb
facts of life	Yes	No	No	No
procreation	Yes	No	No	No

As nouns, facts of life and procreation are synonyms defined as:

facts of life and procreation: the sexual activity of conceiving and bearing offspring

Other synonyms of facts of life include breeding, reproduction.

facts of life (noun)	procreation (noun)
the sexual activity of conceiving and bearing offspring	the sexual activity of conceiving and bearing offspring