Synonyms to doorsill

sill, base, basement, basis, bearing wall, bed, bedding, bedrock, doorstone, floor, flooring, fond, footing, foundation, fundament, fundamental, ground, grounds, groundsel, groundwork, hardpan, mudsill, pavement, principle, radical, riprap, rock bottom, rudiment, seat, solid ground, solid rock, stereobate, stylobate, substratum, substruction, substructure, terra firma, threshold, underbuilding, undercarriage, undergirding, underpinning, understruction, understructure, window sill, French door, archway, back door, barway, beginning, border line, bound, boundary, boundary condition, boundary line, bourn, break boundary, breakoff point, brink, bulkhead, carriage entrance, ceiling, cellar door, cellarway, circumscription, commencement, compass, confine, cutoff, cutoff point, dawn, deadline, delimitation, determinant, division line, door, doorjamb, doorpost, doorstep, doorway, edge, end, entrance, entrance hall, entranceway, entry, entryway, extremity, finish, foyer, front door, frontier, galilee, gate, gatepost, gateway, hatch, hatchway, hedge, high-water m