Microsoft Word, for example, flags as misspelled almost any word with an unhyphenated prefix: antidiscrimination and cogeneration, for example, are marked as misspelled words and re-sign, co-bra, ever-green, and be-loved are marked as correctly hyphenated words by that software.

Is misspelled hyphenated?

"Misspelled" and "misspelt" are both written with a double "s." The first "s" is from the prefix "mis," and the second is from the root word "spell." If you're unsure whether to use "misspelled" and "misspelt," use "misspelled."

Is it correct to say spelt or spelled?

It's true; the American English past tense form is spelled. In other varieties of English, both spelled and spelt are common. So, if you're in the United States, you would probably write it like this: The past tense of the verb “spell” can be spelled in two ways.