unusual vs funny

unusual is not a noun while funny is a noun.

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

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

unusual (adjective)	funny (adjective)
not usual or common or ordinary	arousing or provoking laughter
being definitely out of the ordinary and unexpected; slightly odd or even a bit weird	experiencing odd bodily sensations
not commonly encountered	not as expected
	beyond or deviating from the usual or expected