mountains, hills, foothills, ridges, knolls, escarpments, crags, peaks, rivers, meadows, canyons, tableland, wadis, plateaux, hillsides, plains, rills, hogback, massifs, slopes, lowlands, mountaintops, hollows, hummocks, creeks, precipices, ravines, landforms, buttes, wasatch range, outwash, tarns, glens, canyonlands, uplands, highlands, flatlands, riverbeds, mountaintop, cliffs, troughs, caves, moorlands, ozark plateau, mountainsides, ridgeline, gorges, crevasses, seacoasts, gullies, teton range, dales, sierra madre oriental, hilltops, appalachian mountains, promontories, outcroppings, moonscape, himalayas, waterfalls, moonscapes, slickrock, cirques, semidesert, fords, arroyos, lassen peak, headwaters, rimrock, abysses, mesas, lakes, hindu kush mountains, great dividing range, tributaries, streams, loess, chiltern hills, eskers, stalagmites, expanses, topographies, karakoram range, appalachians, alpenglow, apennines, molehills, upslope, hamlets, deserts, orchards, altiplano, heathery, mistiness, sawatch, farmlands, saxifrage, dells, sangre de cristo mountains, snowy mountains, towns, limber pine, valley, vallies, gulches, vales, basins, fjords, canyon, wadi, bays, coves, drainages

anaclinal, cataclinal, durable, hidden, mexican swamp cypress, montezuma cypress, osage, oto, otoe, subjacent, subside, sunstruck, taxodium mucronatum, thomomys bottae, valley pocket gopher