| effort(noun, activity, action, strain, application) |
| endeavor(noun, activity, action, strain, effort) |
| energy(noun, action, effort, application) |
| pains(noun, activity, action, strain, effort) |
| trouble(noun, activity, action, strain, effort) |
| endeavour |
| exertion(noun, action, work, effort, application) |
| might and main(expression, idiom) |
| muscle |
| action(noun, activity, strain, effort, application) |
| activity(noun, action, strain, effort, application) |
| application(noun, activity, action, strain, effort) |
| attempt(noun, activity, action, strain, effort) |
| elbow grease(noun, expression, activity, action, strain) |
| employment(noun, activity, action, strain, effort) |
| exercise(noun, activity, action, strain, effort) |
| force(noun, action, effort, application) |
| hard pull(noun, expression, activity, action, strain) |
| industry(noun, activity, action, strain, effort) |
| labor(noun, activity, action, strain, effort) |