Winter coats are a type of clothing that is worn during the cold winter months. PARKAS, which have six letters, are a type of winter coat that is typically made from a waterproof and windproof material. RIMES, with five letters, are a type of frost or ice that forms on surfaces when temperatures drop below freezing. Ulsters, with seven letters, are a type of winter coat that is usually made from heavy wool fabric. Hoars, with five letters, are a type of frost that is formed when the air is very cold and humid.