coagulation vs natural action

coagulation and natural action both are nouns.

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

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

coagulation: the process of forming semisolid lumps in a liquid
natural action: a process existing in or produced by nature (rather than by the intent of human beings)

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

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