| Solution | Length | |
|---|---|---|
| 3 letters | ||
| ria | 3 | |
| 4 letters | ||
| hard | 4 | |
| edom | 4 | |
| crag | 4 | |
| atvs | 4 | |
| rude | 4 | |
| 5 letters | ||
| rusty | 5 | |
| rough | 5 | |
| harsh | 5 | |
| crate | 5 | |
| rocky | 5 | |
| crags | 5 | |
| arete | 5 | |
| hardy | 5 | |
| bluff | 5 | |
| stern | 5 | |
| solid | 5 | |
| sound | 5 | |
| blunt | 5 | |
| vital | 5 | |
| spiny | 5 | |
| tough | 5 | |
| steep | 5 | |
| surly | 5 | |
| stony | 5 | |
| stout | 5 | |
| 6 letters | ||
| uneven | 6 | |
| severe | 6 | |
| wicked | 6 | |
| uphill | 6 | |
| strict | 6 | |
| sudden | 6 | |
| shaggy | 6 | |
| craggy | 6 | |
| pursed | 6 | |
| thorny | 6 | |
| sturdy | 6 | |
| strong | 6 | |
| ragged | 6 | |
| steely | 6 | |
| robust | 6 | |
| savage | 6 | |
| sticky | 6 | |
| steady | 6 | |
| stable | 6 | |
| rugous | 6 | |
| tricky | 6 | |
| 7 letters | ||
| rasping | 7 | |
| austere | 7 | |
| staunch | 7 | |
| crabbed | 7 | |
| bristly | 7 | |
| slavish | 7 | |
| rippled | 7 | |
| spartan | 7 | |
| scraggy | 7 | |
| serrate | 7 | |
| rumpled | 7 | |
| 8 letters | ||
| stalwart | 8 | |
| CHURLISH | 8 | |
| PUCKERED | 8 | |
| scabrous | 8 | |
| puissant | 8 | |
| snaggled | 8 | |
| scraggly | 8 | |
| wrinkled | 8 | |
| rigorous | 8 | |
| vigorous | 8 | |
| TOILSOME | 8 | |
| unsmooth | 8 | |
| ticklish | 8 | |
| 9 letters | ||
| strapping | 9 | |
| unsparing | 9 | |
| turbulent | 9 | |
| stringent | 9 | |
| untutored | 9 | |
| well-made | 9 | |
| difficult | 9 | |
| inclement | 9 | |
| ROCKBOUND | 9 | |
| 10 letters | ||
| well-built | 10 | |
| UNPOLISHED | 10 | |
| UNYIELDING | 10 | |
| 11 letters | ||
| red-blooded | 11 | |
| saw-toothed | 11 | |
| uncivilized | 11 | |
| 13 letters | ||
| strong willed | 13 | |
| well-grounded | 13 | |