| restriction(noun, act, control, area, force) |
| limit(noun, move, action, control, close) |
| restraint(noun, move, action, trouble, act) |
| constraint(noun, act, control, check, curb) |
| reservation(noun, control, check, limit, weakness) |
| check(noun, control, force, power, rule) |
| qualification(noun, control, force, power, rule) |
| hindrance(noun, trouble, control, block, difficulty) |
| control(noun, move, action, check, power) |
| curb(noun, control, force, check, power) |
| obstruction(noun, check, block, difficulty, curb) |
| condition(noun, control, part, check, position) |
| modification(noun, weakness, condition, restraint, disadvantage) |
| deficiency(noun, trouble, difficulty, weakness, bar) |
| end(noun, close, check, top, curb) |
| stipulation(noun, form, control, part, fix) |
| boundary(noun, close, area, top, point) |
| circumscription(noun, act, control, area, check) |
| caveat(condition, caution, warning, requirement, prerequisite) |
| taboo(noun, weakness, bar, restraint, ban) |