“Waterfall / Rapids / Cascade” in Japanese is 滝, read rou, sou, taki (ろう, そう, たき). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 滝 (waterfall).
What does 滝 mean?
| Kanji | 滝 |
|---|---|
| Meaning | Waterfall / Rapids / Cascade |
| Readings | ろう, そう, たき |
| Grade | Master (高手 · secondary school) |
| Curriculum | Jōyō kanji · Japanese secondary school (JLPT N1–N2) |
| Example | 滝 (waterfall) |
滝 is read rou (ろう) or sou (そう) or taki (たき) depending on the word.
Same sound, different character — the classic trap. Compare them side by side: