Schedule: Plan, time, calendar, organize
Risk: Danger, chance, decision, safe
Transportation: Bus, train, travel, car
Career: Job, future, work, profession
Factory: Machines, workers, products, build
Experience: Life, event, past, learn
Gossip: Talk, rumor, secret, people
Opinion: Think, believe, idea, agree, essay
Advertisement: Product, TV, sell, commercial
Tourist: Travel, visit, foreign, sightseeing
Success: Achieve, goal, win, result
Movie: Watch, cinema, popcorn, actor
Culture: Language, tradition, country, people
Population: People, country, number, grow
Challenge: Difficult, problem, face, overcome
Volunteer: Help, unpaid, organization, work
Airport: Plane, travel, luggage, flight
Tradition: Culture, custom, history, celebrate
Reservation: Book, hotel, seat, travel
Environment: Nature, pollution, earth, protect