skullduggery vs slickness

skullduggery and slickness both are nouns.

Word	Noun	Adjective	Verb	Adverb
skullduggery	Yes	No	No	No
slickness	Yes	No	No	No

As nouns, skullduggery and slickness are synonyms defined as:

skullduggery and slickness: verbal misrepresentation intended to take advantage of you in some way

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

skullduggery (noun)	slickness (noun)
verbal misrepresentation intended to take advantage of you in some way	a slippery smoothness
	a kind of fluent easy superficiality
	verbal misrepresentation intended to take advantage of you in some way