Synonyms and related words :
back stairs, bolt-hole, companion, companionway, ejection seat, emergency exit, escalier, escape hatch, flight of steps, incline, inflatable slide, landing, landing stage, life buoy, life net, life raft, lifeboat, lifeline, perron, ramp, sally port, slide, spiral staircase, staircase, stairs, stairway, stepping-stones, steps, stile, treads and risers