Misapply :: Misapply (v. t.) To apply wrongly; to use for a wrong purpose; as, to misapply a name or title; to misapply public money..
Misapprehend :: Misapprehend (v. t.) To take in a wrong sense; to misunderstand.
Misapprehension :: Misapprehension (n.) A mistaking or mistake; wrong apprehension of one's meaning of a fact; misconception; misunderstanding.
Misappropriate :: Misappropriate (v. t.) To appropriate wrongly; to use for a wrong purpose.