tricky vs cunning

tricky is not a noun while cunning is a noun.

Word	Noun	Adjective	Verb	Adverb
tricky	No	Yes	No	No
cunning	Yes	Yes	No	No

As adjectives, tricky and cunning are synonyms defined as:

Other synonyms of tricky include crafty, dodgy, foxy, guileful, knavish, slick, sly, tricksy, wily.

tricky (noun)	cunning (noun)
	crafty artfulness (especially in deception)
	shrewdness as demonstrated by being skilled in deception

tricky (adjective)	cunning (adjective)
marked by skill in deception	showing inventiveness and skill
having concealed difficulty	marked by skill in deception
not to be trusted	attractive especially by means of smallness or prettiness or quaintness