11
fen(noun, flat, plain, wild, dry)
10
marsh(noun, flat, plain, wild, dry)
9
bog(noun, wild, dry, void, barren)
9
quagmire(noun, flat, plain, wild, dry)
9
slough(noun, dry, swamp, bog, quagmire)
8
morass(noun, dry, swamp, slough, bog)
8
quag(noun, dry, swamp, slough, bog)
8
swamp(noun, waste, flat, plain, wild)
7
mire(noun, dry, swamp, slough, bog)
6
moor(noun, waste, wild, void, barren)
5
swampland(noun, dry, swamp)
4
wetland(noun, dry, swamp)
3
everglade(noun, swamp)
3
fenland
3
moss(noun, swamp, quagmire, marsh, swampland)
3
muskeg(noun, dry, swamp)
3
wash
2
glade(noun, swamp)
2
marshes
2
mud(noun, swamp)
11 years ago|1.8k views|share |citing 
APASmart Define. (2015). marshland thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/marshland/thesaurus/synonyms
ChicagoSmart Define. 2015. "marshland thesaurus" https://smartdefine.org/marshland/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, marshland thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/marshland/thesaurus/synonyms>.
MLASmart Define. "marshland thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/marshland/thesaurus/synonyms>