95 entries under noun topic. ×

4
waterfall(water, course, stream, passageway)
4
bourn(water, course, stream, passageway)
4
midstream(water, course, stream, passageway)
4
passageway(water, course, flume)
4
racecourse(water, course, passageway, flume)
4
small river(expression, water, course, current)
4
streambed(water, course, stream, passageway)
4
torrent(current, flood, river, tide)
3
deluge(water, course, stream, river)
3
flood(current, river, tide, brook)
3
rill(current, flood, stream, river)
2
moat(drain, channel, conduit, rack)
2
run(line, current, flood, stream)
2
spritz(current, flood, river, tide)
1
dike(drain, bank, channel, barrier)
1
drift(current, flood, river, tide)
0
trench(course, drain, channel, rack)
0
canyon
0
tailrace
0
stream-bed
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APASmart Define. (2015). watercourse thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/watercourse/thesaurus/synonyms
ChicagoSmart Define. 2015. "watercourse thesaurus" https://smartdefine.org/watercourse/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, watercourse thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/watercourse/thesaurus/synonyms>.
MLASmart Define. "watercourse thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/watercourse/thesaurus/synonyms>