primates, emptiers, primmest, imposter, pretrims, imprests, impurest, imputers, stumpier.
Your query has returned 169 words, which include anagrams of imprest as well as other shorter words that can be made using the letters included in imprest.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.