6
gully(noun, drain, flow, ditch, channel)
6
gutter(noun, drain, flow, ditch, channel)
6
sluice(noun, water, course, stream, conduit)
6
water(noun, course, stream, river, passageway)
5
creeks(noun, water, course, stream, passageway)
5
beck(noun, current, flood, stream, river)
5
branch(noun, current, flood, stream, river)
5
current(noun, flood, river, tide, brook)
5
duct(noun, channel, conduit, pipe)
5
estuary(noun, water, course, stream, waterway)
5
freshet(noun, current, flood, river, tide)
5
race(noun, flow, current, flood, channel)
5
river-bed(noun, water, course, stream, passageway)
5
runlet(noun, water, course, stream, passageway)
5
runnel(noun, drain, current, flood, stream)
5
spillway(noun, water, course, stream, waterway)
5
tide(noun, current, flood, river, brook)
5
water carrier(expression, water, course, stream)
5
water channel(expression, water, course, stream)
5
water course(expression, idiom, water, course, stream)
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APASmart Define. (2015). watercourse thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/watercourse/thesaurus/synonyms
ChicagoSmart Define. 2015. "watercourse thesaurus" https://smartdefine.org/watercourse/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, watercourse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/watercourse/thesaurus/synonyms>.
MLASmart Define. "watercourse thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/watercourse/thesaurus/synonyms>