| foible |
| fondness |
| frangibleness(noun, fragility, flimsiness, brittleness) |
| friability(noun, fragility, flimsiness, brittleness) |
| inability(noun, weakness, shakiness, fragility, thinness) |
| incapacity(noun, weakness, shakiness, fragility, thinness) |
| incompetence(noun, weakness, shakiness, fragility, thinness) |
| indisposition(weakness, failing, infirmity, fragility, thinness) |
| ineffectualness(noun, weakness, shakiness, fragility, thinness) |
| infirmness(noun, weakness, shakiness, fragility, thinness) |
| insignificance(noun, weakness, shakiness, fragility, thinness) |
| instability(noun, fragility, flimsiness, brittleness) |
| insufficiency(noun, weakness, shakiness, fragility, thinness) |
| kindness |
| lameness(noun, weakness, shakiness, fragility, thinness) |
| languor(noun, weakness, shakiness, fragility, thinness) |
| lassitude(noun, weakness, shakiness, fragility, thinness) |
| malady(weakness, failing, infirmity, fragility, thinness) |
| meagerness(noun, weakness, shakiness, fragility, thinness) |
| mildness |