Fruit type is a term used to describe the different types of fruits that exist. The two most common fruit types are APPLE and PEPO, both of which have five and four letters respectively. Apples are a type of pome fruit, which are characterized by their hard, edible skin and fleshy center. Pepos, on the other hand, are a type of berry, which are typically smaller and softer than apples, with a thin skin and juicy interior.