unusual vs rum

unusual is not a noun while rum is a noun.

Word	Noun	Adjective	Verb	Adverb
unusual	No	Yes	No	No
rum	Yes	Yes	No	No

unusual (noun)	rum (noun)
	a card game based on collecting sets and sequences; the winner is the first to meld all their cards
	liquor distilled from fermented molasses

unusual (adjective)	rum (adjective)
not usual or common or ordinary	beyond or deviating from the usual or expected
being definitely out of the ordinary and unexpected; slightly odd or even a bit weird
not commonly encountered