| exercise(noun, activity, business, action, study) |
| employment(noun, activity, action, work) |
| use(noun, activity, action, work) |
| application(noun, activity, action, study) |
| exertion(noun, activity, business, action, study) |
| operation(noun, activity, action, study) |
| working(verb, action, process, acting) |
| activity(noun, action, study, work) |
| doing(verb, action, process, acting) |
| action(noun, activity, study, work) |
| effort(noun, activity, action, study) |
| labor(noun, activity, action, study) |
| movement(noun, activity, action, study) |
| performance(noun, activity, action, study) |
| procedure(noun, activity, action, work) |
| service(noun, activity, business, action) |
| task(noun, activity, action, study) |
| work(noun, activity, business, action, study) |
| affair(action, process) |
| agency(action, process) |