The term SQUEAK STOPPER is a product used to reduce or eliminate squeaking noises from doors, windows, and other objects. The crossword solutions for this term are OIL (3 letters) and LUBE (4 letters). OIL is a lubricant that can be used to reduce friction between two surfaces, while LUBE is a type of lubricant specifically designed to reduce noise and vibration. Together, these two solutions can be used to reduce or eliminate squeaking noises from doors, windows, and other objects.