1) Bush utterance, often 2) Butcherer of words 3) Famous Mrs 4) Famous word butcher 5) Fictional Mrs 6) Language blooper 7) Linguistic fumbler 8) Malapropism 9) Misstatement 10) Noted word scrambler 11) She blundered in The Rivals 12) To utter a ism 13) Word mix-up Found on https://www.crosswordclues.com/clue/malaprop