common word: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor
#1 bus: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, route, stop, driver, passengers, fare, schedule, lane, transit, city, seats, commute, crowd, coach, pickup, drop off, ticket, bus pass, wheelchair, cheap, signal
#2 train: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, rails, station, track, locomotive, carriage, passengers, timetable, platform, conductor, railway, tickets, route, whistle, signal, commuter, freight, departure, arrival, coupling, buffet
#3 subway: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, underground, metro, station, platform, tunnels, train, escalator, commuter, rush hour, dense city, deep, turnstile, transit card, air, crowded, map, interchange, network, car, tracks
#4 metro: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, city train, network, lines, rapid transit, automated, timetable, map, fare, platform, crowd, car, door, frequency, transfer, minutes, digital display, underground, modern, ticket, station
#5 tram: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, tracks, rails, street, stops, electric, bell, loop, passengers, city, junction, platform, vintage, conductor, overhead wires, ticket, line, depot, road sharing, reserved lane, wheelchair
#6 light rail: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, rapid transit, rail line, passengers, quieter, frequent, suburban, reserved track, accessibility, frequency, stations, city line, clean, short trains, platform, ticketing, concrete track, urban, punctual, decks, network
#7 commuter train: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, travel, work, rush hour, tickets, seats, station, city, timetable, pass, platform, carriage, crowded, delays, worker, peak hour, arrival, rail, journey, coffee, schedule
#8 bullet train: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, fast, high-speed, Japan, Shinkansen, railway, punctual, sleek, powerful, quiet, efficient, comfortable, speed, glass, engineering, land, travel, no delay, smooth, red, commuters
#9 monorail: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, one rail, elevated, amusement, airport, beam, futuristic, theme park, city transport, quiet, ride, single track, cars, overhead, smooth, tourists, zoo, tourism, track, station, suspended
#10 trolley: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, cable, streetcar, bell, electric, vintage, old city, downtown, tourist, rails, museum, route, board, ticket, nostalgic, city tours, click-clack, wheels, transit, car, motion
#11 cable car: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, cable, gondola, mountain, hills, San Francisco, hanging, aerial, ride, scenic, tourists, city, swinging, stations, views, steep, commute, transport, upper station, ticket, cabin
#12 funicular: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, steep tracks, railway, inclined, counterweight, mountain, historic, two cars, balance, track, hill, tourists, scenic, commute, cable, heritage, summer, winter, ride, station, wheels
#13 gondola: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, cable, chair, enclosure, cableway, mountain, aerial tramway, tourist, glass windows, altitude, winter sport, engineering, linked, slow, views, ride, transport, summit, urban, uplift, resort
#14 ferry: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, passengers, cars, crossing, dock, route, schedule, water, vehicle, transit, river, ocean, high-speed, boarding, ticket, terminal, shuttle, depart, service, island, commute
#15 double-decker bus: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, two floors, red, London, tourist, stairs, upper deck, sightseeing, passengers, iconic, hop-on-hop-off, front seat, top floor, boarding, conductor, vintage, city tours, panoramic, upper level, diesel, rain
#16 school bus: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, yellow, children, school, driver, students, stop, morning, route, amber lights, safety, back seat, windows, bell, pickup, drop off, kids, neighborhood, crosswalk, seats, quiet
#17 city bus: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, downtown, route, bus stop, transit, passengers, lines, daily, commute, stops, morning, evening, seats, driver, signal, card, transfers, short distance, shops, network, schedule
#18 rapid transit: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, high capacity, metro, underground, trains, frequent, turnstile, network, stations, automated, fast, heavy rail, urban, rush hour, daily, infrastructure, fares, peak, suburbs, big cities, reliable
#19 high-speed train: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, fast trains, railway, punctual, comfort, acceleration, lines, quicker than flying, countrywide, pairs, sleek, engineering, marvel, reserved seat, crossing borders, energy saving, quiet, modern, tracks, stations, velocity
#20 maglev: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, magnetic levitation, floats, magnetic field, no wheels, extreme speed, Shanghai, Japan, Germany, technology, frictionless, track, quiet, incredible, experiments, hover, fast, futuristic, engineering, science, transport
#21 streetcar: car, truck, bus, airplane, train, boat, motorcycle, bicycle, helicopter, ship, taxi, van, ambulance, police car, yacht, submarine, jeep, rocket, scooter, tractor, tram, rails, overhead wires, urban, bell, stops, passengers, downtown, trolley, electrified, historic, city center, fare, route, conductor, schedule, steel rails, junction, car, station