Wrenches are a type of hand tool used to tighten or loosen nuts and bolts. The term 'wrenches' can be broken down into four related words: TEARS (5 letters), twists (6 letters), wrets (6 letters), and spanners (8 letters). TEARS refer to the act of tearing something apart, twists refer to the act of twisting something, wrets refer to the act of wringing something, and spanners refer to the act of using a spanner to hold something in place. All of these terms are related to the use of wrenches in some way.