Garden lettuce is a versatile and nutritious leafy green that can be used in a variety of culinary applications. However, if you're looking to mix things up, there are plenty of synonyms for this popular vegetable. Some alternatives to garden lettuce include arugula, spinach, kale, endive, and radicchio. Arugula has a peppery taste and is often used in salads, while spinach is a mild-flavored green that can be used in a variety of dishes. Kale is a hearty and nutrient-dense leafy green, while endive and radicchio are both bitter greens that can add depth and complexity to your dishes. Whether you prefer your greens mild or bold, there are plenty of alternatives to garden lettuce to suit your taste.