| performance(noun, activity, action, act, work) |
| project(noun, activity, business, company, firm) |
| reservation(noun, condition, requirement, custody, proviso) |
| set-to(noun, action, fight, dispute, challenge) |
| tournament(noun, event, fight, challenge, struggle) |
| vow(noun, agreement, need, contract, assurance) |
| Engrossment(noun, interest, connection, occupation, concentration) |
| application(action, act, process) |
| assurance(noun, agreement, contract, compact, undertaking) |
| attack(noun, defeat, fight, struggle, conflict) |
| attempt(noun, activity, business, company, firm) |
| berth(noun, activity, business, place, work) |
| betrothment(noun, promise, obligation, pact) |
| brawl(noun, action, fight, dispute, challenge) |
| campaign(noun, activity, company, action, attack) |
| competition(noun, action, fight, challenge, struggle) |
| competitiveness(noun, opposition, competition, contention) |
| drive(noun, struggle, conflict, war, warfare) |
| effort(noun, activity, company, action, act) |
| employ(business, service) |