shady vs funny

shady is not a noun while funny is a noun.

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

As adjectives, shady and funny are synonyms defined as:

Other synonyms of shady include fishy, suspect, suspicious.

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

shady (adjective)	funny (adjective)
quiet, dark, or concealed	arousing or provoking laughter
of questionable honesty or legality	experiencing odd bodily sensations
not as expected	not as expected
filled with shade	beyond or deviating from the usual or expected