anaerobe vs organism

anaerobe and organism both are nouns.

Word	Noun	Adjective	Verb	Adverb
anaerobe	Yes	No	No	No
organism	Yes	No	No	No

As nouns, organism is a hypernym of anaerobe; that is, organism is a word with a broader meaning than anaerobe:

anaerobe: an organism (especially a bacterium) that does not require air or free oxygen to live
organism: a living thing that has (or can develop) the ability to act or function independently

Other hypernyms of anaerobe include being.

anaerobe (noun)	organism (noun)
an organism (especially a bacterium) that does not require air or free oxygen to live	a living thing that has (or can develop) the ability to act or function independently
	a system considered analogous in structure or function to a living body