Australia vs Great Sandy Desert

Australia and Great Sandy Desert both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australia	Yes	No	No	No
Great Sandy Desert	Yes	No	No	No

Australia (noun)	Great Sandy Desert (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	a desert region in northwestern Australia to the north of the Gibson Desert
the smallest continent; between the South Pacific and the Indian Ocean	a desert in southern Saudi Arabia