propagation vs procreation

propagation and procreation both are nouns.

Word	Noun	Adjective	Verb	Adverb
propagation	Yes	No	No	No
procreation	Yes	No	No	No

As nouns, procreation is a hypernym of propagation; that is, procreation is a word with a broader meaning than propagation:

propagation: the act of producing offspring or multiplying by such production
procreation: the sexual activity of conceiving and bearing offspring

Other hypernyms of propagation include breeding, facts of life, reproduction.

propagation (noun)	procreation (noun)
the act of producing offspring or multiplying by such production	the sexual activity of conceiving and bearing offspring
the spreading of something (a belief or practice) into new regions
the movement of a wave through a medium