floor Synonyms

knock down take aback deck dump level story base flooring shock storey stupefy substratum substructure surprise terrace upstairs underside undercroft topsoil tiling tier thunderstrike throw wilder stun rostrum rink quatrain puzzle pulpit prostrate procuratorial procurator rug stump stratum mezzanine sternpost startle stagger stage stackyard soli procuracy bedrock knock over bowl over billiard table floorboard boards