20 entries under groove topic. ×

26
trench(noun, depression, ditch, channel)
19
ditch(noun, depression, channel, pit, conduit)
18
furrow(noun, depression, ditch, channel, scrape)
14
channel(noun, line, water, plain, depression)
13
gutter(noun, drain, ditch, channel, pit)
13
groove(noun, drain, means, dip, channel)
10
canal(noun, depression, course, drain, means)
8
rut(noun, decline, low, failure, ditch)
6
cut(noun, depression, hollow, ditch, scrape)
6
dike(noun, depression, drain, ditch, channel)
5
gully(noun, depression, ditch, channel, pit)
4
flute
4
ravine(noun, furrow)
3
dado
3
indentation(noun, depression, dip, hollow, bottom)
3
score(noun, depression, hollow, scrape, indentation)
2
corrugation
2
incision(noun, depression, hollow, scrape, indentation)
2
line(noun, channel, cylinder, tube)
2
slot
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APASmart Define. (2015). trough thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/trough/thesaurus/synonyms
ChicagoSmart Define. 2015. "trough thesaurus" https://smartdefine.org/trough/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, trough thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/trough/thesaurus/synonyms>.
MLASmart Define. "trough thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/trough/thesaurus/synonyms>