In Jewish belief, every word in the Torah is exact but be spelled perfectly in the Torah scroll. If one letter is missing or wrong, the whole Torah is not Kosher. Yet the Torah itself has multiple misspelled words that are read differently than they are spelled. 

If every word of the Torah is exact, why does the Torah have words that are misspelled?

A fascinating discussion about the phenomena of misspelled words in the Torah and the Tanach (Jewish Scriptures).