The crossword solution for the term ONE OF TWO IN MONOPOLY is DIE, which is a three letter word. Monopoly is a popular board game in which players compete to acquire wealth through property and business investments. The two dice used in the game are referred to as 'the DIE' and are used to determine the number of spaces a player moves on their turn. Therefore, the crossword solution for ONE OF TWO IN MONOPOLY is DIE, referring to one of the two dice used in the game.