The term 'POTENTIAL QUEEN' can be broken down into two crossword solutions: PAWN (4 letters). A PAWN is a chess piece that is the most numerous and is typically the weakest on the board. It is used to protect more valuable pieces and can move one square at a time, either forward or diagonally. A queen is the most powerful piece in the game of chess and can move any number of squares in any direction. Therefore, the term 'POTENTIAL QUEEN' could refer to a PAWN that has the potential to become a queen if it is able to reach the other side of the board.