55 entries under noun topic. ×

17
gutter(drain, ditch, conduit)
13
cloaca(drain, uncleanness, conduit)
9
channel(line, water, way, course)
9
drain(uncleanness, off, conduit)
8
conduit(line, way, drain, means)
7
cesspool(drain, uncleanness)
7
duct(line, way, drain, means)
7
trench(drain, conduit)
6
canal(line, way, course, means)
5
culvert
5
ditch
5
sewerage
4
pipe(course, drain, means, route)
4
gully
4
artery(channel, conduit)
3
aqueduct(course, means, race, flow)
3
seamstress
3
septic tank(expression, idiom, system, drain)
3
toilet
3
dressmaker
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APASmart Define. (2015). sewer thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sewer/thesaurus/synonyms
ChicagoSmart Define. 2015. "sewer thesaurus" https://smartdefine.org/sewer/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, sewer thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sewer/thesaurus/synonyms>.
MLASmart Define. "sewer thesaurus" 1 December 2015. Web. 27 September 2026. <https://smartdefine.org/sewer/thesaurus/synonyms>