delta Synonyms

alluvial plain estuary three alluvial fan Greek alphabet phonetic alphabet epsilon mu nu omicron phi threesome xi zeta triad triangle triangularly trident trigon trilateral valley variation water meadow wing psi coastal plain hedge ratio net change river mouth tidal plain delta plain bottomland salt marsh mudflat floodplain delta variant flood plain peneplain salt flat bottom land rate of change spread basin differential discrepancy disparity divergence door embouchure entrance