mating vs sexual practice

mating and sexual practice both are nouns.

Word	Noun	Adjective	Verb	Adverb
mating	Yes	No	No	No
sexual practice	Yes	No	No	No

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

Other hypernyms of mating include sex, sex activity, sexual activity.

mating (noun)	sexual practice (noun)
the act of pairing a male and female for reproductive purposes	activities associated with sexual intercourse