Keratosis, a skin condition that causes rough, scaly patches on the skin, can occur in various forms. Synonyms for keratosis define the different types of skin conditions that can look similar to keratosis. For instance, actinic keratosis is a rough, scaly patch of skin caused by sun damage. Seborrheic keratosis, on the other hand, is a benign growth on the skin that appears as waxy spots. Keratosis pilaris is a common skin condition that causes raised, rough bumps on the skin. While these different skin conditions may look similar in appearance, their causes, symptoms and treatments are quite different. Knowing these synonyms and their differences is essential for accurate diagnosis and treatment.