organism vs being

organism and being both are nouns.

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

As nouns, organism and being are synonyms defined as:

organism and being: a living thing that has (or can develop) the ability to act or function independently

organism (noun)	being (noun)
a living thing that has (or can develop) the ability to act or function independently	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	the state or fact of existing