Misinflect

Thus the student is taught from the very beginning to misinflect an important class of German nouns.

Source: wiktionary

In consulting them, the reader should bear in mind that the singers use a variety of hiatus bridges ( j, h, v, etc.; all italicized in text) and not seldom misinflect words (sometimes under the pressure of sound-patterns).

Source: wiktionary

This is one reason why one inclines to quotation in discussing his writing . Any paraphrase that even slightly misinflects his descriptions runs the risk of near-total distortion.

Source: wiktionary

They managed, in repeating his name like the echoing mountains, to mispronounce or misinflect every syllable of it.

Source: wiktionary