THESAURUS
Hill
acclivity, anthill, bank, bank up, barrow, bilge, blain, bleb, blister, blob, boss, bow, brae, bubble, bulb, bulge, bulla, bump, bunch, burl, butte, button, cahot, chine, clump, cock, condyle, convex, decline, declivity, dowel, down, downgrade, downs, drift, drumlin, dune, ear, elevation, embankment, eminence, fell, flange, flap, foothill, foothills, gall, gnarl, grade, gradient, handle, haycock, haymow, hayrick, haystack, heap, heap up, height, highland, hillock, hummock, hump, hunch, incline, jog, joggle, knob, knoll, knot, knur, knurl, lip, loop, lump, mole, molehill, monticle, monticule, moor, mound, mount, mountain, mow, nevus, nub, nubbin, nubble, papilloma, peg, pile, pile up, prominence, promontory, pyramid, rib, rick, ridge, ring, rise, sand dune, shock, shoulder, slope, snowdrift, spine, stack, stack up, stud, style, swell, tab, tor, tubercle, tubercule, upgrade, upland, verruca, vesicle, wale, wart, welt
ROGET THESAURUS
Hill
Obliquity
N
obliquity, inclination, slope, slant, crookedness, slopeness, leaning, bevel, tilt, bias, list, twist, swag, cant, lurch, distortion, bend, tower of Pisa, acclivity, rise, ascent, gradient, khudd, rising ground, hill, bank, declivity, downhill, dip, fall, devexity, gentle slope, rapid slope, easy ascent, easy descent, shelving beach, talus, monagne Russe, facilis descensus averni.
Convexity
N
convexity, prominence, projection, swelling, gibbosity, bilge, bulge, protuberance, protrusion, camber, cahot, thank-ye-ma'am, swell, intumescence, tumour, tumor, tubercle, tuberosity, excrescence, hump, hunch, bunch, boss, embossment, hub, hubble, tooth, knob, elbow, process, apophysis, condyle, bulb, node, nodule, nodosity, tongue, dorsum, bump, clump, sugar loaf, bow, mamelon, molar, belly, corporation, pot belly, gut, withers, back, shoulder, lip, flange, pimple, zit, wen, wheel, papula, pustule, pock, proud flesh, growth, sarcoma, caruncle, corn, wart, pappiloma, furuncle, polypus, fungus, fungosity, exostosis, bleb, blister, blain, boil, airbubble, blob, papule, verruca, papilla, nipple, teat, tit, titty, boob, knocker, pap, breast, dug, mammilla, proboscis, nose, neb, beak, snout, nozzle, schnoz, peg, button, stud, ridge, rib, jutty, trunnion, snag, cupola, dome, arch, balcony, eaves, pilaster, relief, relievo, cameo, bassorilievo, mezzorilevo, altorivievo, low relief, bas relief, high relief, hill, cape, promontory, mull, forehead, foreland, point of land, mole, jetty, hummock, ledge, spur, naze, ness, convex, prominent, protuberant, projecting, bossed, embossed, bossy, nodular, bunchy, clavate, clavated, claviform, hummocky, moutonne, mammiliform, papulous, papilose, hemispheric, bulbous, bowed, arched, bold, bellied, tuberous, tuberculous, tumous, cornute, odontoid, lentiform, lenticular, gibbous, club shaped, hubby, hubbly, knobby, papillose, saddle-shaped, selliform, subclavate, torose, ventricose, verrucose, salient, in relief, raised, repousse, bloated, (expanded).
Ascent
N
ascent, ascension, rising, acclivity, hill, flight of steps, flight of stairs, ladder rocket, lark, sky rocket, sky lark, Alpine Club, rising, scandent, buoyant, supernatant, superfluitant, excelsior, uphill.
Descent
N
descent, descension, declension, declination, fall, falling, slump, drop, plunge, plummet, cadence, subsidence, collapse, lapse, downfall, tumble, slip, tilt, trip, lurch, cropper, culbute, titubation, stumble, fate of Icarus, avalanche, debacle, landslip, landslide, declivity, dip, hill, rappel, descending, descendent, decurrent, decursive, labent, deciduous, nodding to its fall, downhill, downwards, the bottom fell out.