Cathay vs Asian nation

Cathay and Asian nation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cathay	Yes	No	No	No
Asian nation	Yes	No	No	No

Cathay (noun)	Asian nation (noun)
a communist nation that covers a vast territory in eastern Asia; the most populous country in the world	any one of the nations occupying the Asian continent