beekeeper, bookkeeper, gamekeeper, gatekeeper, goalkeeper, groundskeeper, housekeeper, innkeeper, minesweeper, peacekeeper, scorekeeper, shopkeeper, storekeeper.
Your query has returned 283 words, which include anagrams of doorkeepers as well as other shorter words that can be made using the letters included in doorkeepers.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.