hanky panky vs jiggery-pokery

hanky panky and jiggery-pokery both are nouns.

Word	Noun	Adjective	Verb	Adverb
hanky panky	Yes	No	No	No
jiggery-pokery	Yes	No	No	No

As nouns, hanky panky and jiggery-pokery are synonyms defined as:

hanky panky and jiggery-pokery: verbal misrepresentation intended to take advantage of you in some way

Other synonyms of hanky panky include hocus-pocus, skulduggery, skullduggery, slickness, trickery.

hanky panky (noun)	jiggery-pokery (noun)
verbal misrepresentation intended to take advantage of you in some way	verbal misrepresentation intended to take advantage of you in some way