| slip(noun, wrong, weakness, burden, failure) |
| slip-up(noun, wrong, slip, weakness, burden) |
| snag |
| solecism(noun, wrong, weakness, burden, blame) |
| something missing |
| specialty(noun, trait, individuality, idiosyncrasy, quirk) |
| speck(noun, weakness, crack, fault, failing) |
| spot(noun, weakness, crack, fault, failing) |
| stain(noun, weakness, crack, fault, failing) |
| strangeness(quirk, irregularity, peculiarity, aberration, abnormality) |
| susceptibility(noun, weakness, failing) |
| tenderness(noun, weak, sick, unhealthy) |
| tenuity(noun, weak, sick, unhealthy) |
| transgression(noun, wrong, slip, weakness, burden) |
| trespass(noun, wrong, slip, weakness, burden) |
| trip(noun, slip, failure, mistake, breach) |
| unconventionality(quirk, irregularity, peculiarity, aberration, abnormality) |
| unorthodoxness(irregularity, peculiarity, nonconformity, aberration, abnormality) |
| unusualness(trait, individuality, quirk, eccentricity, peculiarity) |
| violation(noun, slip, failure, mistake, breach) |