hybridization vs mating

hybridization and mating both are nouns.

Word	Noun	Adjective	Verb	Adverb
hybridization	Yes	No	No	No
mating	Yes	No	No	No

As nouns, mating is a hypernym of hybridization; that is, mating is a word with a broader meaning than hybridization:

hybridization: (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
mating: the act of pairing a male and female for reproductive purposes

Other hypernyms of hybridization include conjugation, coupling, pairing, sexual union, union.

hybridization (noun)	mating (noun)
(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids	the act of pairing a male and female for reproductive purposes