Common cheese is a term used to describe a variety of cheeses that are widely available and popular. CHEDDAR is one of the most common cheeses, with seven letters in its name. It is a hard, yellow cheese that originated in the English village of CHEDDAR in Somerset. It is made from cow's milk and has a sharp, tangy flavor. CHEDDAR is often used in sandwiches, salads, and sauces, and is also a popular ingredient in macaroni and cheese.