According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 17 words with the pattern I-T--A---. That is, nine letter words with 1st letter I and 3rd letter T and 6th letter A. In alphabetical order, they are:
intenable
interacts
interarch
inthralls
intifadah
intifadas
intifadeh
intimated
intimater
intimates
intonacos
intonated
intonates
intonator
intreated
intubated
intubates