What are some nine letter words with 1st letter P and 2nd letter T and 5th letter I and 7th letter I?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern PT--I-I--. That is, nine letter words with 1st letter P and 2nd letter T and 5th letter I and 7th letter I. In alphabetical order, they are:

pteridine