Verbal misrepresentation intended to take advantage of you in some way.

synonyms: hanky panky, hocus-pocus, jiggery-pokery, skulduggery, skullduggery, trickery.

Dutch: gesjoemel, hocus-pocus
Polish: kuglarstwo, cygaństwo

A kind of fluent easy superficiality.

synonym: glibness.

A slippery smoothness:
— He could feel the slickness of the tiller.

synonyms: slick, slip, slipperiness.

Dutch: gladdigheid, gladheid, slibberigheid
Polish: śliskość