Misreading
Misread
noun
When you read something in a different way from the way you're supposed to it's a misreading.
This word can also be used figuratively, like when you misread a situation or someone’s intentions, and your expectations turn out to be incorrect.
Note that 読み間違い can also be used to mean the same thing.
This uses the kun'yomi readings from the vocab words 読む and 違い. As long as you remember those, you can apply that knowledge here as well.
今日、超恥ずかしい読み違いをしてしまった。
I made the most embarrassing reading mistake today.
捜査令状の読み違いで、犯人に笑われた。
The culprit laughed at me for misreading the search warrant.
名前の読み違いは日本人の間でもよくあることですよ。
Misreading of names is common even among Japanese.
どうやら私は彼の意図について、完全に読み違いをしていたようです。
It seems that I completely misinterpreted his intentions.