ROGET THESAURUS
Marish
Marsh
N
marsh, swamp, morass, marish, moss, fen, bog, quagmire, slough, sump, wash, mud, squash, slush, baygall, cienaga, jhil, vlei, marsh, marshy, swampy, boggy, plashy, poachy, quaggy, soft, muddy, sloppy, squashy, paludal, moorish, moory, fenny.