3
wash
2
baygall
2
cloaca
2
crankcase
2
mire
2
oil pan(expression, idiom)
1
artificial lake
1
bayou lake
1
bottom
1
bottomland
1
bottoms
1
buffalo wallow
1
cloaca maxima
1
common sewer(expression, idiom, uncleanness)
1
dam
1
dead water
1
dike
1
drainage pump
1
dump
1
dunghill
11 years ago|2.8k views|share |citing 
APASmart Define. (2015). sump thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sump/thesaurus/synonyms
ChicagoSmart Define. 2015. "sump thesaurus" https://smartdefine.org/sump/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, sump thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sump/thesaurus/synonyms>.
MLASmart Define. "sump thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/sump/thesaurus/synonyms>