boomerang vs Australia

boomerang and Australia both are nouns.

Word	Noun	Adjective	Verb	Adverb
boomerang	Yes	No	Yes	No
Australia	Yes	No	No	No

boomerang (noun)	Australia (noun)
a miscalculation that recoils on its maker	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 curved piece of wood; when properly thrown will return to thrower	the smallest continent; between the South Pacific and the Indian Ocean

boomerang (verb)	Australia (verb)
return to the initial position from where it came; like a boomerang