| Solution | Length | |
|---|---|---|
| 2 letters | ||
| rf | 2 | |
| 3 letters | ||
| red | 3 | |
| row | 3 | |
| vhf | 3 | |
| uhf | 3 | |
| run | 3 | |
| 4 letters | ||
| atoz | 4 | |
| rank | 4 | |
| tier | 4 | |
| 5 letters | ||
| train | 5 | |
| round | 5 | |
| gamut | 5 | |
| prism | 5 | |
| color | 5 | |
| swath | 5 | |
| sweep | 5 | |
| reach | 5 | |
| queue | 5 | |
| scale | 5 | |
| range | 5 | |
| array | 5 | |
| scope | 5 | |
| 6 letters | ||
| indigo | 6 | |
| violet | 6 | |
| string | 6 | |
| radius | 6 | |
| autism | 6 | |
| THREAD | 6 | |
| series | 6 | |
| 7 letters | ||
| extreme | 7 | |
| rainbow | 7 | |
| stretch | 7 | |
| primary | 7 | |
| routine | 7 | |
| 8 letters | ||
| rotation | 8 | |
| CRUMPETS | 8 | |
| register | 8 | |
| sequence | 8 | |
| tertiary | 8 | |
| 9 letters | ||
| secondary | 9 | |
| continuum | 9 | |
| 10 letters | ||
| RECURRENCE | 10 | |
| succession | 10 | |
| 11 letters | ||
| single file | 11 | |
| PROGRESSION | 11 | |
| variegation | 11 | |
| 14 letters | ||
| tortoise shell | 14 | |
| 15 letters | ||
| thecoloroflight | 15 | |