The term 'bedbugs' is often associated with the scientific name Cimex lectularius, which is a five-letter word that can be used to solve a crossword puzzle. Bedbugs are small, parasitic insects that feed on human blood and can cause skin irritation and allergic reactions. They are usually found in mattresses, bedding, furniture, and other areas where people sleep. Bedbugs are difficult to get rid of and can spread quickly if not treated properly.