cosmos vs natural order

cosmos and natural order both are nouns.

Word	Noun	Adjective	Verb	Adverb
cosmos	Yes	No	No	No
natural order	Yes	No	No	No

As nouns, natural order is a hyponym of cosmos; that is, natural order is a word with a more specific, narrower meaning than cosmos:

cosmos: everything that exists anywhere
natural order: the physical universe considered as an orderly system subject to natural (not human or supernatural) laws

Other hyponyms of cosmos include closed universe, nature.

cosmos (noun)	natural order (noun)
everything that exists anywhere	the physical universe considered as an orderly system subject to natural (not human or supernatural) laws
any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves; popular fall-blooming annuals