heavenly body vs cosmos

heavenly body and cosmos both are nouns.

Word	Noun	Adjective	Verb	Adverb
heavenly body	Yes	No	No	No
cosmos	Yes	No	No	No

heavenly body (noun)	cosmos (noun)
natural objects visible in the sky	everything that exists anywhere
	any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves; popular fall-blooming annuals