Words based on the root Demo. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Dictionary.com Unabridged The Dictionary.com Word Of The Year For 2020 Is …. or click here for instant support. All words containing DEMI are listed here. Word Roots. Get lasting results 10x faster than with any other vocabulary study tool. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Patents pending. A list of words that contain Mir, and words with mir in them.This page brings back any words that contain the word or letter you enter from a large scrabble dictionary. Demigoddess; Demiurgical; 10 Letter words that start with demi. Examples.