According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 11 words with the pattern I-T--D---. That is, nine letter words with 1st letter I and 3rd letter T and 6th letter D. In alphabetical order, they are:
intendant
intendeds
intenders
intending
interdash
interdeal
interdict
interdine
introduce
intruders
intruding