They are commonly called Chili pepper , red or green pepper , or just pepper in Britain and the US ; the large mild form is called bell pepper in the US , capsicum in Australian English and Indian English , and paprika in some other countries ( although paprika can also refer to the powdered spice made from various capsicum fruit ) . The large mild form is called bell pepper in the U.S. and Canada . They are called paprika in some other countries ( although paprika can also refer to the powdered spice made from various capsicum fruit ) .