| exception(noun, condition, requirement, qualification, prerequisite) |
| imperfection(noun, trouble, difficulty, weakness, bar) |
| insufficiency(noun, flaw, defect, deficiency, shortcoming) |
| rein(noun, control, curb, limit, restraint) |
| shortcoming(noun, benefit, difficulty, weakness, bar) |
| allowance(noun, condition, requirement, qualification, prerequisite) |
| barrier(noun, control, block, difficulty, limit) |
| compass(noun, area, scope, range, extent) |
| confine(noun, close, top, point, limit) |
| confines(noun, control, close, area, check) |
| deadline(noun, check, top, curb, limit) |
| delimitation |
| discipline(noun, force, power, rule, curb) |
| extremity(noun, check, top, curb, limit) |
| flaw |
| inadequacy(noun, trouble, difficulty, weakness, bar) |
| inhibition(noun, control, check, curb, limit) |
| measure(noun, move, action, control, preventive) |
| proviso(noun, form, part, fix, pass) |
| repression(noun, control, command, restraint, caution) |