desorption vs natural process

desorption and natural process both are nouns.

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

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

desorption: changing from an adsorbed state on a surface to a gaseous or liquid state
natural process: a process existing in or produced by nature (rather than by the intent of human beings)

Other hypernyms of desorption include action, activity, natural action.

desorption (noun)	natural process (noun)
changing from an adsorbed state on a surface to a gaseous or liquid state	a process existing in or produced by nature (rather than by the intent of human beings)