cave vs floor

cave and floor both are nouns.

Word	Noun	Adjective	Verb	Adverb
cave	Yes	No	Yes	No
floor	Yes	No	Yes	No

cave (noun)	floor (noun)
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea	the inside lower horizontal surface (as of a room, hallway, tent, or other structure)
	a structure consisting of a room or set of rooms at a single position along a vertical scale
	a large room in a exchange where the trading is done
	the legislative hall where members debate and vote and conduct other business
	the parliamentary right to address an assembly
	a lower limit
	the occupants of a floor
	the bottom surface of any lake or other body of water
	the ground on which people and animals move about
	the lower inside surface of any hollow structure

cave (verb)	floor (verb)
explore natural caves	knock down with force
hollow out as if making a cave or opening	surprise greatly; knock someone's socks off