cross-pollination vs cross-pollinate

cross-pollination is a noun but cross-pollinate is not a noun.

Word	Noun	Adjective	Verb	Adverb
cross-pollination	Yes	No	No	No
cross-pollinate	No	No	Yes	No

cross-pollination (noun)	cross-pollinate (noun)
stimulating influence among diverse elements
fertilization by transfer of pollen from the anthers of one flower to the stigma of another

cross-pollination (verb)	cross-pollinate (verb)
	fertilize by transferring pollen