organism vs causal agency

organism and causal agency both are nouns.

Word	Noun	Adjective	Verb	Adverb
organism	Yes	No	No	No
causal agency	Yes	No	No	No

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

organism: a living thing that has (or can develop) the ability to act or function independently
causal agency: any entity that produces an effect or is responsible for events or results

Other hypernyms of organism include animate thing, living thing, causal agent, cause.

organism (noun)	causal agency (noun)
a living thing that has (or can develop) the ability to act or function independently	any entity that produces an effect or is responsible for events or results
a system considered analogous in structure or function to a living body