Cape York vs Commonwealth of Australia

Cape York and Commonwealth of Australia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cape York	Yes	No	No	No
Commonwealth of Australia	Yes	No	No	No

Cape York (noun)	Commonwealth of Australia (noun)
the northern tip of Cape York Peninsula at the Torres Strait; the northernmost point of the Australian mainland	a nation occupying the whole of the Australian continent; Aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony