sophistry

viisasteleva virhepäätelmä, sofismi puhekieltä cunning Cunning, sometimes manifested as trickery.
"Such conduct is at any rate not sophistical, if Aristotle be right in describing sophistry as the art of making money." 1844 - Søren Kierkegaard in Philosophical Fragments (Philosophiske Smuler eller En Smule Philosophi)
puhekieltä The art of using deceptive speech or writing.
puhekieltä An argument that seems plausible, but is fallacious or misleading, especially one devised deliberately to be so.