The term 'STRUGGLES (FOR)' can be solved by the four-letter word 'VIES'. This word is a verb meaning to compete or strive for something, usually in a hostile or aggressive manner. It is often used to describe a situation where two or more parties are competing for the same goal or prize. In this context, it can be used to describe a situation of struggle, where one or more parties are trying to achieve something despite opposition or difficulty.