barrier, gulf, barriers, roads, wall, mountains, chasm, obstacle, swamps, swamp, road, obstacles, line, terrain, river, limit, abyss, morass, country, rivers, limits, forests, stricture, marshes, condition, boundary, mud, rapids, jungle, walls, owing, marsh, morasses, desert, cliffs, mountain, places, gulfs, gap, distance, gorge, ravines, bog, infranchissable, torrent, sea, thickets, boundaries, ravine, forest, streets, wilderness, bogs, deserts, bar, falls, ranges, ice, rocks, chasms, quagmire, streams, quagmires, ocean, gorges, stream, obstruction, torrents, frontier, range, ground, seas, woods, jungles, canyon, canyons, strictures, trails, thicket, cliff, precipice, tracks, zone, ditch, region, drifts, gulph, moat, ridges, trail, mire, hills, precipices, floods

nigh, present, more, breach, swamp, impassible, impassive, hardpacked, chickahominy