Australia vs Moreton Bay

Australia and Moreton Bay both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australia	Yes	No	No	No
Moreton Bay	Yes	No	No	No

Australia (noun)	Moreton Bay (noun)
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	an arm of the Tasman Sea forming a bay to the east of Brisbane
the smallest continent; between the South Pacific and the Indian Ocean