| check(noun, weakness, crack, fault, blemish) |
| computer glitch(noun, expression, fault, error) |
| computer malfunction(noun, expression, fault, error) |
| concern(worry, problem) |
| crack(noun, weakness, fault, blemish, flaw) |
| curse |
| deficiency(noun, weakness, crack, fault, failing) |
| demerit(noun, weakness, failing, flaw, defect) |
| discoloration(noun, weakness, crack, fault, blemish) |
| disfigurement(noun, weakness, fault, failing, error) |
| drawback(noun, weakness, crack, fault, blemish) |
| dread(worry, concern, fear, problem, ghost) |
| echo |
| extremely low frequency(expression, idiom) |
| failure(noun, fault, error, problem, glitch) |
| fallibility(noun, weakness, failing, flaw, defect) |
| fear(worry, concern, problem, monster, ghost) |
| gap(noun, weakness, crack, fault, blemish) |
| gossip |
| hitch(noun, fault, error) |