A six letter word By admin What English six letter word has its last three letters as the past tense of its first three letters? AnswerThe SEE-SAW. A Lot More:Eight letter word contains all of the twenty six lettersA seven letter word containing thousands of lettersWhat word becomes shorter when you add two letters to it?First two letters signify a maleAdd one letter to it and none there’ll beWhat common verb becomes its own past tense