What are some eight letter words with 1st letter T and 5th letter I and 6th letter D and 7th letter A

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern T---IDA-. That is, eight letter words with 1st letter T and 5th letter I and 6th letter D and 7th letter A. In alphabetical order, they are:

toroidal