Mis-lǽran

According to the Old English Dictionary:

mis-lǽran

to teach wrongly, to persuade a person to do what is wrong :-- Ðá ongunnon heora mágas behreówsian ðæt hí ǽfre ða martyras mislǽran woldon, Homl. Skt. 5, 119. [Luþer men ðat hine mislerede, Laym. 4311.] mis-læran