floor vs surface

floor and surface both are nouns.

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

As nouns, surface is a hypernym of floor; that is, surface is a word with a broader meaning than floor:

Other hypernyms of floor include Earth's surface.

As nouns, surface is a hypernym of floor; that is, surface is a word with a broader meaning than floor:

Other hypernyms of floor include Earth's surface.

floor (noun)	surface (noun)
the inside lower horizontal surface (as of a room, hallway, tent, or other structure)	the outer boundary of an artifact or a material layer constituting or resembling such a boundary
a structure consisting of a room or set of rooms at a single position along a vertical scale	a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
a large room in a exchange where the trading is done	a superficial aspect as opposed to the real nature of something
the legislative hall where members debate and vote and conduct other business	information that has become public
the parliamentary right to address an assembly	the extended two-dimensional outer boundary of a three-dimensional object
a lower limit	the outermost level of the land or sea
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

floor (adjective)	surface (adjective)
	on the surface

floor (verb)	surface (verb)
knock down with force	appear or become visible; make a showing
surprise greatly; knock someone's socks off	put a coat on; cover the surface of; furnish with a surface
	come to the surface