inbreeding vs mating

inbreeding and mating both are nouns.

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

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

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

inbreeding (noun)	mating (noun)
the act of mating closely related individuals	the act of pairing a male and female for reproductive purposes