homoiotherm vs brute

homoiotherm and brute both are nouns.

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

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

homoiotherm: an animal that has a body temperature that is relatively constant and independent of the environmental temperature
brute: a living organism characterized by voluntary movement

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

homoiotherm (noun)	brute (noun)
an animal that has a body temperature that is relatively constant and independent of the environmental temperature	a living organism characterized by voluntary movement
	a cruelly rapacious person

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