invertebrate vs beast

invertebrate and beast both are nouns.

Word	Noun	Adjective	Verb	Adverb
invertebrate	Yes	Yes	No	No
beast	Yes	No	No	No

As nouns, beast is a hypernym of invertebrate; that is, beast is a word with a broader meaning than invertebrate:

invertebrate: any animal lacking a backbone or notochord; the term is not used as a scientific classification
beast: a living organism characterized by voluntary movement

Other hypernyms of invertebrate include animal, animate being, brute, creature, fauna.

invertebrate (noun)	beast (noun)
any animal lacking a backbone or notochord; the term is not used as a scientific classification	a living organism characterized by voluntary movement
	a cruelly rapacious person

invertebrate (adjective)	beast (adjective)
lacking a backbone or spinal column