misstep, n. faux pas.
mist, n. mizzle, misle, [drizzle]; [fog], [haze], brume.
mist, v. mizzle, [drizzle]; [obscure], [dim], befog.
mistake, n. [misunderstanding], misapprehension, misconception; [error], [blunder], [oversight], [solecism], faux pas. [impropriety], [bull].
mistranslate, v. misrender, misconstrue, [misinterpret].
mistreat, v. [misuse], [abuse], [maltreat].
mistreatment, n. [misuse], [abuse], [maltreatment].
mistress, n. [matron], [superior]; [sweetheart], [flame], dulcinea, [ladylove], amaryllis; paramour, [concubine]; demirep, lorette, Delilah, Phryne, corotte.
mistrust, v. [doubt], [question], [suspect], [distrust], [apprehend].
mistrustful, a. [distrustful], suspicious, [apprehensive].