| inlet(noun, sound, strait, neck, narrows) |
| issue(noun, movement, current, motion, stream) |
| millrace(noun, course, conduit, canal, aqueduct) |
| millstream(noun, course, conduit, canal, aqueduct) |
| motion(noun, movement, current, stream) |
| movement(noun, current, motion, stream) |
| narrows(noun, sound, strait, neck) |
| neck(noun, sound, strait, narrows) |
| plenty(noun, movement, current, motion, stream) |
| plethora(noun, movement, current, motion, stream) |
| racecourse(noun, course, conduit, canal, aqueduct) |
| raceway(noun, course, conduit, canal, aqueduct) |
| reach(noun, sound, strait, neck, narrows) |
| rill(noun, branch, affluent, confluent, bayou) |
| river(noun, course, conduit, canal, aqueduct) |
| roads(noun, sound, strait, neck, narrows) |
| roadstead(noun, sound, strait, neck, narrows) |
| run(noun, branch, affluent, confluent, bayou) |
| sluice(noun, course, conduit, canal, aqueduct) |
| sluiceway(noun, course, conduit, canal, aqueduct) |