THESAURUS
delta
V, alkali flat, alluvial plain, basin, bill, bottomland, branch, breakwater, bushveld, campo, cape, champaign, champaign country, chersonese, coastal plain, coral reef, crotch, crutch, desert, down, downs, fan, fell, flat, flat country, flatland, flats, foreland, fork, furcula, furculum, grass veld, grassland, groin, head, headland, heath, hook, inguen, lande, level, llano, lowland, lowlands, lunar mare, mare, mesa, mesilla, moor, moorland, mull, naze, ness, offshoot, open country, pampa, pampas, peneplain, peninsula, plain, plains, plateau, playa, point, prairie, promontory, prong, ramification, reef, salt flat, salt marsh, salt pan, sandspit, savanna, sebkha, spit, spur, stem, steppe, table, tableland, tongue, tree veld, trident, tundra, upland, vega, veld, weald, wide-open spaces, wishbone, wold
ROGET THESAURUS
delta
Land
N
land, earth, ground, dry land, terra firma, continent, mainland, peninsula, chersonese,
delta, tongue of land, neck of land, isthmus, oasis, promontory, highland, coast, shore, scar, strand, beach, playa, bank, lea, seaboard, seaside, seabank, seacoast, seabeach, ironbound coast, loom of the land, derelict, innings, alluvium, alluvion, ancon, riverbank, river bank, levee, soil, glebe, clay, loam, marl, cledge, chalk, gravel, mold, subsoil, clod, clot, rock, crag, acres, real estate, landsman, earthy, continental, midland, coastal, littoral, riparian, alluvial, terrene, landed, predial, territorial, geophilous, ripicolous, ashore, on shore, on land.