| inflexibility(noun, state, quality, resist, firmness) |
| stiffness(noun, strain, pressure, firmness, protection) |
| hardness(noun, easy, condition, discipline, firmness) |
| rigidness(noun, state, quality, resist, perseverance) |
| permanence(firmness, stiffness) |
| strictness(noun, regulation, control, easy, command) |
| austerity(noun, easy, condition, discipline, firmness) |
| firmness(noun, severity, tension, harshness, toughness) |
| bloodlust |
| severity(noun, easy, condition, discipline, firmness) |
| grimness(noun, state, quality, resist, discipline) |
| harshness(noun, easy, condition, discipline, firmness) |
| inexorability(noun, state, quality, resist, perseverance) |
| intransigence(noun, state, quality, resist, perseverance) |
| obduracy(noun, state, quality, resist, severity) |
| rigor(noun, easy, condition, discipline, firmness) |
| sternness(noun, easy, condition, discipline, firmness) |
| stringency(noun, easy, condition, discipline, firmness) |
| tension(noun, firmness, tightness, tautness) |
| toughness(noun, easy, condition, discipline, firmness) |