cross-fertilise vs fecundate

cross-fertilise and fecundate both are verbs.

Word	Noun	Adjective	Verb	Adverb
cross-fertilise	No	No	Yes	No
fecundate	No	No	Yes	No

As verbs, fecundate is a hypernym of cross-fertilise; that is, fecundate is a word with a broader meaning than cross-fertilise:

Other hypernyms of cross-fertilise include fertilise, fertilize, inseminate.

cross-fertilise (verb)	fecundate (verb)
cause to undergo cross-fertilization	introduce semen into (a female)
undergo cross-fertilization; become fertile	make fertile or productive