10
ditches(noun, grooves, conduits)
8
gutters(noun, grooves, conduits)
5
channels(noun, grooves, conduits)
4
canals(noun, grooves, conduits)
4
ducts(noun, conduits)
4
furrows(noun, grooves)
4
grooves(noun, grooves)
4
gullies(noun, grooves)
3
conduits(noun, conduits)
3
cuts(noun, grooves)
3
ruts(noun, grooves)
3
sewers(noun, conduits)
3
troughs(noun, grooves)
2
aqueducts(noun, conduits)
2
culverts(noun, conduits)
2
dikes
2
drains
2
moats
1
dykes
1
pits
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APASmart Define. (2013). trenches thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/trenches/thesaurus/synonyms
ChicagoSmart Define. 2013. "trenches thesaurus" https://smartdefine.org/trenches/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, trenches thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/trenches/thesaurus/synonyms>.
MLASmart Define. "trenches thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/trenches/thesaurus/synonyms>