Frost is a type of weather phenomenon that occurs when temperatures drop below freezing. HOARFROST, which is nine letters long, is a white deposit of ICE crystals formed when water vapor in the air condenses directly onto surfaces that are below freezing. WHITEN, six letters long, is to make something white or lighter in color. BLIGHT, also six letters long, is a plant disease that causes the leaves and fruit to rot. FREEZE, six letters long, is to become solid due to cold temperatures. CHILL, five letters long, is to make something cold or cooler. ICE, three letters long, is frozen water. RIME, four letters long, is a type of frost that forms when water droplets FREEZE on contact with objects. HOAR, four letters long, is an old word for frost. JACK, four letters long, is a type of frost that forms when the temperature drops below freezing and the air is very still. POET, four letters long, is a person who writes poetry. Nixon, five letters long, is the surname of the 37th President of the United States. Robert, six letters long, is the name of the POET Robert Frost.