frost snow vs precipitation

frost snow and precipitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
frost snow	Yes	No	No	No
precipitation	Yes	No	No	No

frost snow (noun)	precipitation (noun)
small crystals of ice	an unexpected acceleration or hastening
	overly eager speed (and possible carelessness)
	the act of casting down or falling headlong from a height
	the falling to earth of any form of water (rain or snow or hail or sleet or mist)
	the process of forming a chemical precipitate
	the quantity of water falling to earth at a specific place within a specified period of time