Mispronunciation \Mis`pro*nun`ci*a"tion\ (? or ?), n. Wrong or improper pronunciation. [1913 Webster]
26 Moby Thesaurus words for "mispronunciation": Irish bull, anacoluthon, bull, cacoepy, cacology, catachresis, corruption, fluff, folk etymology, gammacism, grammatical error, hypercorrection, hyperform, lambdacism, malaprop, malapropism, marrowsky, missaying, misspeaking, misusage, mytacism, paralambdacism, pararhotacism, rhotacism, solecism, spoonerism