| preoccupation |
| problem(noun, weakness, failing, flaw, defect) |
| rift(noun, weakness, crack, fault, blemish) |
| sin(noun, slip, weakness, crack, failure) |
| soft spot(noun, expression, weak, weakness, fault) |
| taint(noun, weakness, crack, fault, failing) |
| trait(noun, twist, chance, surprise, slant) |
| vulnerable place(noun, expression, weakness, failing) |
| weak link(noun, expression, weakness, failing) |
| Achilles heel(noun, expression, point, weakness, fault) |
| aberration(chance, surprise, slant, variation, peculiarity) |
| abnormality(individuality, quirk, irregularity, peculiarity, aberration) |
| accountability(noun, wrong, weakness, burden, blame) |
| adynamia(noun, weak, sick, unhealthy) |
| adynamy(noun, weak, sick, unhealthy) |
| affectedness |
| anaemia(noun, weak, sick, unhealthy) |
| anemia(noun, weak, sick, unhealthy) |
| anomaly(quirk, irregularity, peculiarity, aberration, abnormality) |
| answerability(noun, wrong, weakness, burden, blame) |