| élan(noun, action, passion, energy, spirit) |
| ability(noun, activity, action, go, drive) |
| act(noun, activity, move, action, change) |
| action(noun, activity, creativity, move, act) |
| activeness |
| advance(noun, activity, move, action, act) |
| adventuresomeness |
| adventurousness |
| aggression |
| agitation(noun, activity, move, action, act) |
| alteration(noun, activity, move, action, act) |
| application(noun, strength, vigor, determination, heat) |
| ardor(noun, action, go, passion, energy) |
| ardour |
| arm(noun, trouble, power, strength, energy) |
| birr(noun, go, power, strength, energy) |
| briskness(noun, action, passion, energy, spirit) |
| brunt(noun, trouble, power, strength, energy) |
| buoyancy(noun, action, passion, energy, spirit) |
| burn(noun, strength, vigor, heat, service) |