cunning vs tricky

cunning is a noun but tricky is not a noun.

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

As adjectives, cunning and tricky are synonyms defined as:

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

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

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