bell deck vs flooring

bell deck and flooring both are nouns.

Word	Noun	Adjective	Verb	Adverb
bell deck	Yes	No	No	No
flooring	Yes	No	No	No

As nouns, flooring is a hypernym of bell deck; that is, flooring is a word with a broader meaning than bell deck:

bell deck: a floor under the bells of an open belfry
flooring: the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

Other hypernyms of bell deck include floor.

bell deck (noun)	flooring (noun)
a floor under the bells of an open belfry	the inside lower horizontal surface (as of a room, hallway, tent, or other structure)
	building material used in laying floors