flocculation vs natural action

flocculation and natural action both are nouns.

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

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

flocculation: the process of flocculating; forming woolly cloudlike aggregations
natural action: a process existing in or produced by nature (rather than by the intent of human beings)

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

flocculation (noun)	natural action (noun)
the process of flocculating; forming woolly cloudlike aggregations	a process existing in or produced by nature (rather than by the intent of human beings)