Commonwealth of Australia vs plonk

Commonwealth of Australia and plonk both are nouns.

Word	Noun	Adjective	Verb	Adverb
Commonwealth of Australia	Yes	No	No	No
plonk	Yes	No	Yes	No

Commonwealth of Australia (noun)	plonk (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	the noise of something dropping (as into liquid)
	a cheap wine of inferior quality

Commonwealth of Australia (verb)	plonk (verb)
	set (something or oneself) down with or as if with a noise