Synonyms to mud flat

bog, baygall, bemire, bog down, bottom, bottomland, bottoms, buffalo wallow, cesspool, cloaca, cloaca maxima, drain, dump, everglade, fen, fenland, garbage dump, glade, hog wallow, holm, marais, marish, marsh, marshland, meadow, mere, mire, moor, moorland, morass, moss, mud, peat bog, quag, quagmire, quicksand, salt marsh, septic tank, sewer, sink, sink in, slob land, slough, sough, stodge, sump, swale, swamp, swampland, taiga, wallow, wash, argosy, arse, ass, at bottom, backbone, backside, bark, basal, base, basement, basic, basically, basin, basis, bed, bedrock, behind, belly, best, boat, bottom glade, bottommost, breech, bucket, bum, butt, buttocks, can, cause, channel, chutzpah, coulee, courage, craft, cut, dale, dell, depths, derriere, dingle, duff, end, essentiality, essentially, establish, fanny, floor, foot, footing, found, foundation, foundational, fundament, fundamentally, gameness, gap, gill, giveaway, glen, gluteus maximus, grit, ground, groundwork, grove, guts, gutsiness, guttiness, half-price, heart, heart of oak, heinie, hindq