書かき損そこなう

godan verb (-u), transitive verb

write incorrectly; miswrite

Used when a character, word, or sentence is written with a mistake, such as a wrong kanji or a slip of the pen.

• 漢かん字じを書かき損そこなって、何なん度ども書かき直なおした。

  I miswrote the kanji and rewrote it many times.

• 急いそいでいたので、住じゅう所しょを書かき損そこなってしまった。

  I was in a hurry, so I ended up writing the address incorrectly.

godan verb (-u), transitive verb

spoil by writing mistakes; ruin a written piece

Refers to ruining a letter, document, or other written work because of writing errors, often requiring a fresh start. The focus is on the result being spoiled, not just a single mistake.

• 最さい後ごの行ぎょうで書かき損そこなって、手て紙がみを最さい初しょから書かき直なおした。

  I made a writing mistake on the last line and had to rewrite the letter from the beginning.

• 清せい書しょのときに書かき損そこなうと、とてもがっかりする。

  When you spoil a fair copy by a writing mistake, it's really disappointing.