| Solution | Length | |
|---|---|---|
| 3 letters | ||
| rot | 3 | |
| 4 letters | ||
| tail | 4 | |
| rear | 4 | |
| sink | 4 | |
| 5 letters | ||
| voila | 5 | |
| eniac | 5 | |
| dross | 5 | |
| 6 letters | ||
| esteem | 6 | |
| newton | 6 | |
| phoebe | 6 | |
| return | 6 | |
| revert | 6 | |
| sicken | 6 | |
| recede | 6 | |
| retire | 6 | |
| waning | 6 | |
| worsen | 6 | |
| 7 letters | ||
| sinking | 7 | |
| retract | 7 | |
| reverse | 7 | |
| relapse | 7 | |
| slacken | 7 | |
| retreat | 7 | |
| regress | 7 | |
| sliding | 7 | |
| wasting | 7 | |
| 8 letters | ||
| rearward | 8 | |
| slipping | 8 | |
| 9 letters | ||
| jerusalem | 9 | |
| BACKWARDS | 9 | |
| pull-back | 9 | |
| recessive | 9 | |
| WORSENING | 9 | |
| RETROFLEX | 9 | |
| SUMMARIZE | 9 | |
| withering | 9 | |
| slip-back | 9 | |
| subsiding | 9 | |
| retrocede | 9 | |
| 10 letters | ||
| REVERSIBLE | 10 | |
| RECIDIVATE | 10 | |
| retrogress | 10 | |
| REGRESSIVE | 10 | |
| recidivist | 10 | |
| RETURNABLE | 10 | |
| revertible | 10 | |
| 11 letters | ||
| reactionary | 11 | |
| deteriorate | 11 | |
| retroactive | 11 | |
| 12 letters | ||
| reversionary | 12 | |
| 13 letters | ||
| RETROGRESSIVE | 13 | |