| hardship(noun, worry, strain, anxiety, burden) |
| hassle(noun, worry, strain, anxiety, burden) |
| heat(noun, worry, strain, anxiety, burden) |
| immovableness |
| impatience(noun, worry, strain, anxiety, burden) |
| inflexibility(noun, firmness, tension, rigidity, stiffness) |
| intensity(noun, worry, strain, anxiety, burden) |
| misgiving(noun, worry, strain, anxiety, burden) |
| mistrust(noun, worry, strain, anxiety, burden) |
| nervous |
| nervousness(noun, worry, strain, anxiety, burden) |
| niggardliness |
| oppression(noun, worry, strain, anxiety, burden) |
| overextension(noun, worry, strain, anxiety, burden) |
| protraction(noun, worry, strain, anxiety, burden) |
| pull(noun, worry, strain, anxiety, twist) |
| renitency |
| restlessness(noun, worry, strain, anxiety, burden) |
| rigour |
| security(noun, tightness) |