Riddles Brain Teaser Of The Day: Same Word July 29, 2017May 11, 2017 gags The same five-letter word can be added to either the front or back, but not both, of the following words to create four new words. Can you determine what the five-letter word’s identity is? KEY WALL GEM WASHED Show answer The word you need is STONE. KEYSTONE STONEWALL GEMSTONE STONEWASHED