offspring vs brute

offspring and brute both are nouns.

Word	Noun	Adjective	Verb	Adverb
offspring	Yes	No	No	No
brute	Yes	Yes	No	No

As nouns, brute is a hypernym of offspring; that is, brute is a word with a broader meaning than offspring:

Other hypernyms of offspring include animal, animate being, beast, creature, fauna.

offspring (noun)	brute (noun)
any immature animal	a living organism characterized by voluntary movement
something that comes into existence as a result	a cruelly rapacious person
the immediate descendants of a person

offspring (adjective)	brute (adjective)
	resembling a beast; showing lack of human sensibility