The crossword solutions for the term SOME MONOPOLY PROPERTIES (ABBR.) are AVES (4 letters) and RRS (3 letters). AVES stands for Avenue, which is one of the properties in the classic board game Monopoly. RRS stands for Railroad, which is another property in the game. Monopoly is a popular board game that has been around since the early 1900s. Players buy and trade properties, build houses and hotels, and collect rent from other players.