Certain bathing suits are a type of clothing worn for swimming and other water activities. The four solutions to the crossword are THONG (5 letters), rudi (4 letters), speedo (6 letters), and onepiece (8 letters). A THONG is a type of swimsuit that covers the wearer's body with only a thin strip of fabric at the back. Rudi is a type of swimsuit that is similar to a tank top and shorts. Speedo is a brand of swimwear that is designed to be form-fitting and reduce drag in the water. Onepiece is a type of swimsuit that covers the entire body from neck to toe.