| Solution | Length | |
|---|---|---|
| 5 letters | ||
| rigor | 5 | |
| venom | 5 | |
| sting | 5 | |
| teeth | 5 | |
| unity | 5 | |
| right | 5 | |
| 6 letters | ||
| rigors | 6 | |
| rigour | 6 | |
| purity | 6 | |
| 7 letters | ||
| cruelty | 7 | |
| 8 letters | ||
| violence | 8 | |
| savagery | 8 | |
| hardness | 8 | |
| subtlety | 8 | |
| rigidity | 8 | |
| acerbity | 8 | |
| SOURNESS | 8 | |
| 9 letters | ||
| TOUGHNESS | 9 | |
| sharpness | 9 | |
| vehemence | 9 | |
| precision | 9 | |
| harshness | 9 | |
| RIGHTNESS | 9 | |
| SURLINESS | 9 | |
| STRIDENCY | 9 | |
| STERNNESS | 9 | |
| roughness | 9 | |
| terrorism | 9 | |
| virulence | 9 | |
| vandalism | 9 | |
| 10 letters | ||
| SINGLENESS | 10 | |
| STRINGENCY | 10 | |
| uniformity | 10 | |
| STRICTNESS | 10 | |
| SIMPLICITY | 10 | |
| vernacular | 10 | |
| refinement | 10 | |
| unkindness | 10 | |
| TRUCULENCE | 10 | |
| inclemency | 10 | |
| 13 letters | ||
| regimentation | 13 | |
| 16 letters | ||
| unsophistication | 16 | |