A news service recently accused Katie Hopkins of a series of “mistruths”:

The mistruths referred to in the headline were false allegations rather than, say, factual errors concerning the number of legs centipedes may have or the climatic conditions in Porto Alegre. Why not say so, then? Why use [this] ugly, imprecise and evasive neologism?
….
We should not allow ourselves to misstep our way to mistruth, for that way lies misprobity, miswisdom and mishappiness.