misspelled - verb (past tense and past participle of the verb misspell) and adjective
When the last letter of a prefix (mis) matches the first letter of the root word (spelled), you do not drop either the last letter of the prefix or the first letter of the root word. Thus: granddaughter and misspelled.
Example: He misspelled so many words in his paper that he received an F. verb
Example: Grammar.com will help you correct misspelled words. adjective