What are some eight letter words with 1st letter T and 6th letter T and 7th letter I and 8th letter S

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern T----TIS. That is, eight letter words with 1st letter T and 6th letter T and 7th letter I and 8th letter S. In alphabetical order, they are:

thelitis
tofuttis