trickery vs slickness

trickery and slickness both are nouns.

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

As nouns, trickery and slickness are synonyms defined as:

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

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

trickery (noun)	slickness (noun)
the use of tricks to deceive someone (usually to extract money from them)	a slippery smoothness
verbal misrepresentation intended to take advantage of you in some way	a kind of fluent easy superficiality
	verbal misrepresentation intended to take advantage of you in some way