funny vs curious

funny is a noun but curious is not a noun.

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

As adjectives, funny and curious are synonyms defined as:

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

funny (noun)	curious (noun)
an account of an amusing incident (usually with a punch line)

funny (adjective)	curious (adjective)
arousing or provoking laughter	eager to investigate and learn or learn more (sometimes about others' concerns)
experiencing odd bodily sensations	beyond or deviating from the usual or expected
not as expected
beyond or deviating from the usual or expected