The term STEELS is composed of two crossword solutions, BRACES (6 letters) and TENSES (6 letters). BRACES refers to a type of support structure made of metal or other strong material, often used to reinforce walls or buildings. TENSES, on the other hand, refers to the form of a verb that indicates when an action takes place, such as past, present, or future. Together, these two words can be used to describe the strength and stability of steel, a metal alloy composed of iron and carbon.