facts of life vs reproduction

facts of life and reproduction both are nouns.

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

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

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

Other synonyms of facts of life include breeding, procreation.

facts of life (noun)	reproduction (noun)
the sexual activity of conceiving and bearing offspring	the sexual activity of conceiving and bearing offspring
	the act of making copies
	copy that is not the original; something that has been copied
	recall that is hypothesized to work by storing the original stimulus input and reproducing it during recall
	the process of generating offspring