| Main Entry: | glen |
| Part of Speech: | noun |
| Definition: | valley |
| Synonyms: | canyon, combe, dale, dell, glade, gorge, vale |
| Main Entry: | swamp |
| Part of Speech: | noun |
| Definition: | wet land covered with vegetation |
| Synonyms: | bog, bottoms, everglade, fen, glade, holm, marsh, marshland, mire, moor, morass, mud, muskeg, peat bog, polder, quag, quagmire, slough, swale, swampland |
| Main Entry: | dell |
| Part of Speech: | noun |
| Definition: | valley |
| Synonyms: | dale, dingle, glade, glen, vale |
| Main Entry: | marshland |
| Part of Speech: | noun |
| Definition: | swamp |
| Synonyms: | bog, bottoms, everglade, fen, glade, holm, marsh, mire, moor, morass, mud, muskeg, peat bog, polder, quag, quagmire, slough, swale, swampland, wetland |
| Main Entry: | muskeg |
| Part of Speech: | noun |
| Definition: | swamp |
| Synonyms: | bog, bottoms, everglade, fen, glade, holm, marsh, marshland, mire, moor, morass, mud, peat bog, polder, quag, quagmire, slough, swale, swampland, wetland |
| Main Entry: | quag |
| Part of Speech: | noun |
| Definition: | swamp |
| Synonyms: | bog, bottoms, everglade, fen, glade, holm, marsh, marshland, mire, moor, morass, mud, muskeg, peat bog, polder, quagmire, slough, swale, swampland, wetland |
| Main Entry: | slough |
| Part of Speech: | noun |
| Definition: | swamp |
| Synonyms: | bog, bottoms, everglade, fen, glade, holm, marsh, marshland, mire, moor, morass, mud, muskeg, peat bog, polder, quag, quagmire, swale, swampland, wetland |
| Main Entry: | swampland |
| Part of Speech: | noun |
| Definition: | swamp |
| Synonyms: | bog, bottoms, everglade, fen, glade, holm, marsh, marshland, mire, moor, morass, mud, muskeg, peat bog, polder, quag, quagmire, slough, swale, wetland |