| channel(noun, line, water, course, drain) |
| waterway(noun, water, course, channel, conduit) |
| canal(noun, line, water, course, means) |
| stream(noun, line, path, channel, river) |
| conduit(noun, line, water, course, drain) |
| aqueduct(noun, water, course, conduit, waterway) |
| course(noun, water, means, current, flood) |
| brook(noun, current, flood, stream, river) |
| creek(noun, current, flood, stream, river) |
| flow(noun, line, path, channel, passage) |
| flume(noun, water, course, conduit, waterway) |
| river(noun, stream, river, waterway, brook) |
| trough(noun, depression, drain, channel, conduit) |
| rivulet(noun, current, flood, stream, river) |
| culvert(noun, ditch, conduit, waterway) |
| drain(noun, channel, off, conduit, waterway) |
| streamlet(noun, water, course, stream, passageway) |
| brooklet(noun, water, course, stream, passageway) |
| ditch(noun, course, drain, channel, conduit) |
| flowing stream(expression, water, course, stream) |