hanky panky vs deceit

hanky panky and deceit both are nouns.

Word	Noun	Adjective	Verb	Adverb
hanky panky	Yes	No	No	No
deceit	Yes	No	No	No

As nouns, deceit is a hypernym of hanky panky; that is, deceit is a word with a broader meaning than hanky panky:

hanky panky: verbal misrepresentation intended to take advantage of you in some way
deceit: a misleading falsehood

Other hypernyms of hanky panky include deception, misrepresentation.

hanky panky (noun)	deceit (noun)
verbal misrepresentation intended to take advantage of you in some way	the act of deceiving
	the quality of being fraudulent
	a misleading falsehood