magnetisation vs natural action

magnetisation and natural action both are nouns.

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

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

magnetisation: the process that makes a substance magnetic (temporarily or permanently)
natural action: a process existing in or produced by nature (rather than by the intent of human beings)

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

magnetisation (noun)	natural action (noun)
the physical property of being magnetic	a process existing in or produced by nature (rather than by the intent of human beings)
the process that makes a substance magnetic (temporarily or permanently)
the extent or degree to which something is magnetized