epilith vs being

epilith and being both are nouns.

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

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

epilith: A plant, fungus, or other organism that grows upon rock.
being: a living thing that has (or can develop) the ability to act or function independently

Other hypernyms of epilith include organism.

epilith (noun)	being (noun)
A plant, fungus, or other organism that grows upon rock.	a living thing that has (or can develop) the ability to act or function independently
	the state or fact of existing