banistered, denigrates, dishearten, tailenders, pedantries, pedestrian, restrained, irredentas, denitrates, reinstated, straitened, unreadiest, unsteadier.
Your query has returned 689 words, which include anagrams of detainers as well as other shorter words that can be made using the letters included in detainers.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.