natural process vs natural action

natural process and natural action both are nouns.

Word	Noun	Adjective	Verb	Adverb
natural process	Yes	No	No	No
natural action	Yes	No	No	No

As nouns, natural process and natural action are synonyms defined as:

natural process and natural action: a process existing in or produced by nature (rather than by the intent of human beings)

Other synonyms of natural process include action, activity.

natural process (noun)	natural action (noun)
a process existing in or produced by nature (rather than by the intent of human beings)	a process existing in or produced by nature (rather than by the intent of human beings)