The term 'BIG BRUTE' is composed of four words, each with three or four letters. The first word is 'APE', which is a large primate that is known for its intelligence and strength. The second word is 'OAF', which is an awkward, clumsy, or stupid person. The third word is 'OGRE', which is a mythical creature that is usually depicted as a large, brutish, and monstrous humanoid. Finally, the fourth word is 'LUG', which is a slang term for a large, strong, and muscular man. Together, these four words form the term 'BIG BRUTE', which can be used to describe a large, strong, and intimidating person.