atavist vs being

atavist and being both are nouns.

Word	Noun	Adjective	Verb	Adverb
atavist	Yes	No	No	No
being	Yes	No	No	No

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

atavist: an organism that has the characteristics of a more primitive type of that organism
being: a living thing that has (or can develop) the ability to act or function independently

Other hypernyms of atavist include organism.

atavist (noun)	being (noun)
an organism that has the characteristics of a more primitive type of that organism	a living thing that has (or can develop) the ability to act or function independently
	the state or fact of existing