hallway vs flooring

hallway and flooring both are nouns.

Word	Noun	Adjective	Verb	Adverb
hallway	Yes	No	No	No
flooring	Yes	No	No	No

hallway (noun)	flooring (noun)
an interior passage or corridor onto which rooms open	the inside lower horizontal surface (as of a room, hallway, tent, or other structure)
	building material used in laying floors