According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 7 words with the pattern RO-TI----. That is, nine letter words with 1st letter R and 2nd letter O and 4th letter T and 5th letter I. In alphabetical order, they are:
rootiness
routineer
routinely
routinise
routinism
routinist
routinize