| briskness(noun, energy, cheat, care, speed) |
| calling(noun, business, study, place, area) |
| campaign(noun, business, company, drive, firm) |
| ferment(noun, movement, feeling, pleasure, excitement) |
| fervor(noun, feeling, passion, energy, excitement) |
| force(noun, action, act, go, movement) |
| industriousness(noun, care, vigor, determination, application) |
| intensity(noun, go, feeling, drive, power) |
| lustiness(noun, vigor) |
| matter(noun, business, concern, notice, attention) |
| passion(noun, feeling, drive, pleasure, energy) |
| perturbation(noun, feeling, bother, pleasure, excitement) |
| play(noun, business, action, act, work) |
| profession(noun, business, place, area, work) |
| racket(noun, business, study, area, movement) |
| response(noun, movement, force, plan, vigor) |
| scheme(noun, business, cheat, interest, firm) |
| service(noun, business, action, act, work) |
| unrest(noun, movement, drive, bother, excitement) |
| verve(noun, feeling, drive, power, passion) |