offspring vs beast

offspring and beast both are nouns.

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

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

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

offspring (noun)	beast (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