58 entries under noun topic. ×

20
marsh(plain, wild, mess, dry)
20
swamp(flat, plain, wild, mess)
18
bog(wild, dry, void, barren)
17
quagmire(wild, mess, dry, muddle)
16
slough(dry, swamp, bog, quagmire)
15
morass(dry, swamp, mud, slough)
12
marshland(flat, plain, wild, dry)
12
mire(dry, swamp, mud, slough)
10
moor(waste, wild, void, barren)
4
moss(swamp, mud, quagmire, marsh)
4
quag(dry, swamp, slough, bog)
4
swampland(dry, swamp, marsh)
4
wetland(dry, marsh)
3
everglade
3
fenland
3
glade
3
mud
3
plain(flat, valley)
3
sump
2
lowland
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APASmart Define. (2015). fen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fen/thesaurus/synonyms
ChicagoSmart Define. 2015. "fen thesaurus" https://smartdefine.org/fen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, fen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fen/thesaurus/synonyms>.
MLASmart Define. "fen thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/fen/thesaurus/synonyms>