Synonyms and related words :
French door, afterpart, afterpiece, archway, back, back road, back seat, back side, back stairs, back street, back way, backstairs, barway, behind, bolt-hole, breech, bulkhead, by-lane, bypass, bypath, byroad, bystreet, byway, carriage entrance, cellar door, cellarway, clandestine, covert, covert way, detour, door, doorjamb, doorpost, doorway, escalier derobe, escape hatch, escape route, feline, front door, furtive, gate, gatepost, gateway, hatch, hatchway, heel, hidlings, hind end, hind part, hindhead, hole-and-corner, hugger-mugger, lintel, occiput, porch, portal, porte cochere, posterior, postern, privy, propylaeum, pylon, quiet, rear, rear end, rearward, reverse, roundabout way, scuttle, secret exit, secret passage, secret staircase, shifty, side door, side road, side street, skulking, slinking, slinky, sly, sneaking, sneaky, stealthy, stern, stile, storm door, surreptitious, tail, tail end, tailpiece, threshold, tollgate, trap, trap door, turnpike, turnstile, under-the-counter, under-the-table, undercover, underground, underground railroad, underground route, underhand, underhanded, unobtrusive