aerobe vs being

aerobe and being both are nouns.

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

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

aerobe: an organism (especially a bacterium) that requires air or free oxygen for life
being: a living thing that has (or can develop) the ability to act or function independently

Other hypernyms of aerobe include organism.

aerobe (noun)	being (noun)
an organism (especially a bacterium) that requires air or free oxygen for life	a living thing that has (or can develop) the ability to act or function independently
	the state or fact of existing