propagation vs propagative

propagation is a noun but propagative is not a noun.

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

propagation (noun)	propagative (noun)
the act of producing offspring or multiplying by such production
the spreading of something (a belief or practice) into new regions
the movement of a wave through a medium

propagation (adjective)	propagative (adjective)
	characterized by propagation or relating to propagation