What are some ten letter words with 4th letter I and 5th letter A and 8th letter A?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern ---IA--A--. That is, ten letter words with 4th letter I and 5th letter A and 8th letter A. In alphabetical order, they are:

leviathans

mediaevals