| flightiness(noun, anxiety, weakness, uncertainty, shake) |
| fluidity(noun, anxiety, weakness, uncertainty, shake) |
| frailty(noun, anxiety, weakness, uncertainty, shake) |
| immaturity(noun, anxiety, weakness, uncertainty, shake) |
| inquietude(noun, anxiety, weakness, uncertainty, shake) |
| insecureness(noun, change, quality, strong, condition) |
| irregularity(noun, anxiety, weakness, uncertainty, shake) |
| jumpiness(noun, jerkiness) |
| pliancy(noun, anxiety, weakness, uncertainty, shake) |
| quake |
| senility(noun, weakness, fragility, thinness) |
| transience(noun, anxiety, weakness, uncertainty, shake) |
| tremor |
| unfixedness(noun, anxiety, weakness, uncertainty, shake) |
| unpredictability(noun, anxiety, weakness, uncertainty, shake) |
| unsureness(noun, change, quality, strong, condition) |
| variability(noun, anxiety, weakness, uncertainty, shake) |
| wobbliness(noun, quality, anxiety, weakness, condition) |
| ambiguity |
| caducity |