What are some nine letter words with 1st letter A and 4th letter O and 5th letter W and 8th letter N?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A--OW--N-. That is, nine letter words with 1st letter A and 4th letter O and 5th letter W and 8th letter N. In alphabetical order, they are:

advowsons