slipperiness vs slickness

slipperiness and slickness both are nouns.

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

As nouns, slipperiness and slickness are synonyms defined as:

Other synonyms of slipperiness include slick, slip.

slipperiness (noun)	slickness (noun)
a slippery smoothness	a slippery smoothness
the quality of being a slippery rascal	a kind of fluent easy superficiality
	verbal misrepresentation intended to take advantage of you in some way