The term 'Puts in Play' can be summarized by two crossword solutions: 'Serves' (6 letters) and 'Casts' (5 letters). Serving is an action that is typically associated with sports, such as tennis or volleyball, where the ball is put into play by a player serving it to the other side of the court. Casting is an action that is typically associated with fishing, where a line is thrown into the water in order to catch fish. Both of these actions involve putting something into play, whether it be a ball or a line.