priorates, postrider, portieres, profiters, reimports, importers, misreport, posterior, stroppier.
Your query has returned 260 words, which include anagrams of pierrots as well as other shorter words that can be made using the letters included in pierrots.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.