What are some eight letter words with 1st letter T and 2nd letter I and 5th letter S and 8th letter S

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern TI--S--S. That is, eight letter words with 1st letter T and 2nd letter I and 5th letter S and 8th letter S. In alphabetical order, they are:

tirasses