Correct spelling for the English word "Mispell" is [mɪspˈɛl], [mɪspˈɛl], [m_ɪ_s_p_ˈɛ_l] (IPA phonetic alphabet).
The word "mispell" is formed by combining the prefix "mis-" which means "wrong" or "incorrect", and the verb "spell" which means "to form words letter by letter". So, "mispell" is essentially a blend of "mis-" and "spell" to create a word that describes the act of spelling something incorrectly. The etymology of "spell" can be traced back to Old English and Proto-Germanic origins.