pet vs animate being

pet and animate being both are nouns.

Word	Noun	Adjective	Verb	Adverb
pet	Yes	Yes	Yes	No
animate being	Yes	No	No	No

As nouns, animate being is a hypernym of pet; that is, animate being is a word with a broader meaning than pet:

Other hypernyms of pet include animal, beast, brute, creature, fauna.

pet (noun)	animate being (noun)
a domesticated animal kept for companionship or amusement	a living organism characterized by voluntary movement
a fit of petulance or sulkiness (especially at what is felt to be a slight)
a special loved one

pet (adjective)	animate being (adjective)
preferred above all others and treated with partiality

pet (verb)	animate being (verb)
stroke or caress gently
stroke or caress in an erotic manner, as during lovemaking