bullfighter, firefighter, firelighter, lamplighter, screenwriter, scriptwriter, songwriter, speechwriter, sportswriter, typewriter, underwriter.
Your query has returned 723 words, which include anagrams of copywriters as well as other shorter words that can be made using the letters included in copywriters.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.