| eagerness |
| effect(action, act, process) |
| effectiveness(noun, activity, go, drive, power) |
| efficacy(noun, activity, go, drive, power) |
| efficiency(noun, activity, go, drive, power) |
| elbow-grease |
| employ |
| end(noun, help, benefit, practice, value) |
| endurance(noun, activity, go, drive, power) |
| enterprise(noun, activity, action, act, go) |
| enthusiasm(noun, trouble, go, drive, regard) |
| evolution |
| examination(noun, activity, study, work, exercise) |
| fire(noun, activity, go, drive, power) |
| fling(noun, go, energy, struggle, try) |
| force(noun, activity, action, act, go) |
| forcefulness(noun, activity, go, drive, power) |
| fortitude(noun, activity, go, drive, power) |
| function(noun, application) |
| get-up-and-go(noun, activity, go, drive, power) |