| Solution | Length | |
|---|---|---|
| 3 letters | ||
| ray | 3 | |
| qrs | 3 | |
| 4 letters | ||
| wave | 4 | |
| sine | 4 | |
| 5 letters | ||
| tidal | 5 | |
| 6 letters | ||
| trough | 6 | |
| roller | 6 | |
| 7 letters | ||
| rollers | 7 | |
| 9 letters | ||
| shortwave | 9 | |
| resonance | 9 | |
| 10 letters | ||
| WAVELENGTH | 10 | |
| tidal wave | 10 | |
| 11 letters | ||
| sound wave | 11 | |
| 13 letters | ||
| reinforcement | 13 | |