Whiskers are a type of facial HAIR that can come in many forms. BRISTLES, which are 8 letters long, are stiff hairs that grow on the face of some animals. HAIR, which is 4 letters long, is a type of filament that grows from the skin of humans and other animals. Sideburns, which are 9 letters long, are tufts of HAIR that grow on the sides of the face. Hairs, which are 5 letters long, are thin strands that grow from the skin of humans and other animals. BEARD, which is 5 letters long, is a type of facial HAIR that grows on the chin and cheeks of adult males. GOATEE, which is 6 letters long, is a type of facial HAIR that consists of a small patch of HAIR on the chin. Burnside, which is 9 letters long, is a type of facial HAIR that consists of a full BEARD with sideburns that extend to the corners of the mouth. All of these types of facial HAIR are collectively referred to as whiskers.