The term 'make stout' can be broken down into two crossword solutions: BREW (4 letters) and FATTEN (6 letters). Brewing is the process of making beer, wine, or other alcoholic beverages by combining grains, hops, yeast, and water. Fattening is the process of adding fat to food or animals to make them larger or more robust. Together, these two processes can be used to make stout, a type of dark beer with a strong flavor and high alcohol content.