sericulture vs natural process

sericulture and natural process both are nouns.

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

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

sericulture: raising silkworms in order to obtain raw silk
natural process: a process existing in or produced by nature (rather than by the intent of human beings)

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

sericulture (noun)	natural process (noun)
the production of raw silk by raising silkworms	a process existing in or produced by nature (rather than by the intent of human beings)
raising silkworms in order to obtain raw silk