字音 じおん仮名遣 かなずかいじゃないです
jionkanazukaijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 字音仮名遣い

1. It's not how the word is read/written.; It's not using the correct kana.

Negative
Polite
Casual Register