Mispronunciation (noun)

The act or an instance of pronouncing a word or words incorrectly.

Origin:

Early 19th century: from mis- + pronunciation.

Examples:

1. The mispronunciation of the word caused everyone in the room to burst out laughing.
2. The mispronunciation of the name made the introduction awkward.
3. The mispronunciation of the term made it clear that the speaker was not an expert in the field.
4. The mispronunciation of the phrase made it difficult for the audience to understand what was being said.
5. The mispronunciation of the name was the source of much embarrassment for the newscaster.