| austerity(noun, easy, condition, discipline, firmness) |
| harshness(noun, easy, condition, discipline, firmness) |
| severity(noun, easy, condition, violence, discipline) |
| strictness(noun, easy, condition, discipline, firmness) |
| stringency(noun, easy, condition, discipline, firmness) |
| rigidity(noun, easy, condition, discipline, firmness) |
| rigor(noun, easy, condition, discipline, firmness) |
| astringency(noun, sharpness, severity, harshness) |
| hardness(noun, easy, condition, discipline, firmness) |
| grimness(noun, discipline, firmness, severity, harshness) |
| toughness(noun, easy, condition, discipline, firmness) |
| discipline(noun, severity, strictness) |
| inflexibility(noun, firmness, severity, harshness, conformity) |
| meticulousness(noun, severity, harshness, conformity, strictness) |
| abruptness(noun, severity) |
| acerbity(noun, discipline, firmness, sharpness, severity) |
| asperity(noun, sharpness, severity, harshness, conformity) |
| inclemency(noun, severity, harshness, conformity, strictness) |
| rigorousness(noun, easy, condition, discipline, firmness) |
| rigour |