curious vs rum

curious is not a noun while rum is a noun.

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

As adjectives, curious and rum are synonyms defined as:

Other synonyms of curious include funny, odd, peculiar, queer, rummy, singular.

curious (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

curious (adjective)	rum (adjective)
eager to investigate and learn or learn more (sometimes about others' concerns)	beyond or deviating from the usual or expected
beyond or deviating from the usual or expected