"Roughleg" is a term primarily associated with hawks or eagles that have feathers that extend down their legs, giving them a rough appearance. However, there are several interchangeable synonyms for "roughleg". These include "feather-legged", "hairy-legged," and "hirsute-legged." Additionally, "terrestrial eagle" or "grass eagle" can also be used as a descriptive term for these birds of prey, as they often hunt small mammals on the ground rather than in the air. While "roughleg" remains the most commonly used term for these birds, having a variety of synonyms allows for more descriptive and colorful language in discussing these majestic creatures.