40 entries under passage topic. ×

52
channel(noun, line, water, link, way)
44
aqueduct(noun, line, water, way, course)
42
canal(noun, line, water, way, course)
41
course(noun, water, path, channel)
39
flume(noun, water, course, passageway)
18
pipe(noun, course, drain, means, route)
17
duct(noun, line, way, course, drain)
14
main(noun, line, course, means, route)
13
watercourse(noun, line, water, course, drain)
9
passage(noun, line, bar, link, way)
8
culvert(noun, ditch)
8
pipeline(noun, course, channel, cylinder)
8
tube(noun, line, way, course, drain)
7
gutter(noun, drain, means, race, ditch)
7
trough(noun, line, course, drain, means)
6
spout(noun, drain, ditch, channel)
5
sewer(noun, line, way, drain, means)
5
opening(egress, ingress)
5
path(noun, egress, ingress)
3
cable(noun, line, channel, tube)
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APASmart Define. (2015). conduit thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/conduit/thesaurus/synonyms
ChicagoSmart Define. 2015. "conduit thesaurus" https://smartdefine.org/conduit/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, conduit thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/conduit/thesaurus/synonyms>.
MLASmart Define. "conduit thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/conduit/thesaurus/synonyms>