There are several different types of warts, which are classified by where they occur on your body and what it looks like. Filiform warts — finger-like warts that occur on the face, Plantar warts — grow inward and occur on the soles of the feet, Common warts — rough bumps that appear on the hands and often spread to the face,, and Flat warts — small and smooth warts that grow in large numbers anywhere on the body.