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

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

pteria

pterin

ptosis

ptotic

ptyxis