I DID THIS ONE ON THE OTHER SITE AND WE ALL ENJOYED IT. A COMPOUND WORD IS A WORD THAT IS MADE OF TWO WORDS. EXAMPLES ARE: BASEBALL, PLAYGROUND, HAIRBRUSH, MAILMAN, ETC.
WE WILL GIVE A COMPOUND WORD AND THE NEXT PERSON WILL USE ONE HALF OF THE COMPOUND WORD TO MAKE A NEW COMPOUND WORD, ETC.