sky vs earth

sky and earth both are nouns.

Word	Noun	Adjective	Verb	Adverb
sky	Yes	No	Yes	No
earth	Yes	No	Yes	No

sky (noun)	earth (noun)
the atmosphere and outer space as viewed from the earth	a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
	the concerns of this life as distinguished from heaven and the afterlife
	the abode of mortals (as contrasted with Heaven or Hell)
	the solid part of the earth's surface
	the 3rd planet from the sun; the planet we live on
	the loose soft material that makes up a large part of the land surface
	once thought to be one of four elements composing the universe (Empedocles), associated with the humour black bile

sky (verb)	earth (verb)
throw or toss with a light motion	connect to the earth
	hide in the earth like a hunted animal