feedback vs natural action

feedback and natural action both are nouns.

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

As nouns, natural action is a hypernym of feedback; that is, natural action is a word with a broader meaning than feedback:

feedback: the process in which part of the output of a system is returned to its input in order to regulate its further output
natural action: a process existing in or produced by nature (rather than by the intent of human beings)

Other hypernyms of feedback include action, activity, natural process.

feedback (noun)	natural action (noun)
response to an inquiry or experiment	a process existing in or produced by nature (rather than by the intent of human beings)
the process in which part of the output of a system is returned to its input in order to regulate its further output