| norm(noun, measure, standard, category, code) |
| pattern(noun, measure, standard, category, code) |
| principle(noun, measure, standard, category, code) |
| requirement(noun, measure, standard, category, code) |
| rule(noun, measure, standard, category, code) |
| specification(noun, measure, standard, category, code) |
| trait(noun, feature, characteristic, attribute) |
| deficiency(noun, quality, fault, imperfection, irregularity) |
| shortcoming(noun, quality, fault, imperfection, irregularity) |
| weakness(noun, quality, fault, imperfection, irregularity) |
| drawback(noun, quality, fault, imperfection, irregularity) |
| break(noun, quality, fault, imperfection, irregularity) |
| error(noun, quality, fault, imperfection, irregularity) |
| failing(noun, quality, fault, imperfection, irregularity) |
| lack(noun, quality, fault, imperfection, irregularity) |
| malfunction(noun, quality, disorder, fault, abnormality) |
| mistake(noun, quality, fault, imperfection, irregularity) |
| shortage(noun, quality, fault, imperfection, irregularity) |
| aberrancy(noun, quality, disorder, fault, abnormality) |
| aberration(noun, quality, disorder, fault, abnormality) |