Variety of grape is a term used to describe the different types of grapes that are grown and used for various purposes. MUSCAT (6 letters), SULTANA (7 letters), Catawba (7 letters), and Iona (4 letters) are all varieties of grape. MUSCAT is a type of grape that is used to make sweet wines, while SULTANA is a type of white grape that is often used in raisins and jams. Catawba is a type of red grape that is used to make sweet wines, and Iona is a type of white grape that is used to make sparkling wines.