THERE ARE 31 CATEGORIES 

Aircraft 
Crash, take off, B 52,landing, cessna, F15, F16, hornet, helicopter, sonic boom, space shuttle etc

Animals
Bats, bears, bees, birds, dogs, cats, chickens, crocs, dolphin, farm, gorilla, horse, jungle, kitten, lamb, lions, monkey, peacock, pigs, seal, sheep, tiger, whale and loads more.

Background
Plane, cattle, cheering, crickets, crowd, station, slot cars, sporting event, water, walking, subway etc

Battle
Artillery, battle, bugle, explosion, flag raising, jets, howitzer, impact, infantry, machine gun, misslie, mortar, pistol, rifle, rocket launcher, shot gun, biplane etc

Bells
Church, herald square, horn, train crossing etc

Cars
Car on fire, audi, volvo, BMW, crashing cornering, skidding, stuck car, dodge stealth, fiat, hot rod, jeep, model A, VW, wipers, starting, turning off etc

Cartoon
NBang, bells, comedy effect, comical sounds, dog, drum roll, falling, horse grunt, plop, pop, spring, sqeak, splash, twangs, bongs, whip bonk etc

Comic
Baby, burp, fight, gulps, hiccups, laugh, pleasure, smooch, sneeze, straining etc

Electronics
1920s phone, camera, air conditioning, drill press, electrical buzz, generator, grinding, lathe, milling, projector, radar, shaver, static, radio tuner, telegragh etc

Emergency
Alarms, sirens, coast guard, fire truck, horn, morse code, tornado warning etc

Farm
Horse eating, chewing, breathing,grunting, screaming, snorting, whinny,   baby pig, blacksmith, cattle drive, chicken coop, cow, filling a bucket, herd of cattle and sheep, pasture door, pouring water, shoveling, sliding door, sweeping, swimming pool etc

Horror
Demented man, screaming, vampire, electric chair, door creek, growling, whipping, monster fight, monster movement etc

Household
Alarm clock, blender, broom sweeping, clocks, clothes dryer, coffee blender, door close, door latch, door opening, drawers, mixers, fire, frying pan, furnace, glass breaking, phone rings, shower curtain, smoke alarm, teapot, telephone, toilet, vacuum, washing machine etc

Industry
Air hammer, conveyor belt, elevator, garbage truck, gas station air pump etc

Jungle
Jungle, night, rainforest, ruscello, swamp, water, summer etc

Medical
Childbirth, coughing, doctors office, sneezing, colds, fetal heart, flatline, heartbeat, lazer beam, life care pump, paging, pulse, taking blood pressure, sick moaning etc

Misc
Bees, aerosol, airport control tower, alarm clock, alien space chatter, archery, babbling brook, battle sounds, beating eggs, bell, bird song, bite, bloodhounds blow torch, boots, bowling, brushing teeth, bulldozer, bugle, camera, car seat belt, car exploding, car horn, casino, cash register, cement truck, children playing, church bell, cork popping, crows, curtains, dial tone, dogs, door sounds, dragsters, drink fizz, ice going into a glass, egg breaking, electric shaver, fireworks, firing squad, flock of geese, foghorn, frying, garage door, haunting, marching, motorbike, niagara falls, outboard motor, parties, running, phones, police radio, radio, rooster, roulette, space launch, suitcase, sword fight, tennis, tugboat, whistle, zipper etc

Music
Drums, bass, bongos, boom, chinese gong, congas, singing, harp, tap dance, train crossing, trolley bell, tympani etc

Nature
Tropical birds, crickets, earthquake, forest, lava, locust, ocean, rain, rattlesnake, river, rocks, spooky, swamp, thunderstorm, walking, wind etc

Nautical
Aircraft carrier, boats, buoy bell, coastguard, ferries, fishing boats, foghorn, harbour, ocean liner, sonar, submarine, tugboat, waves, water pump, whistle etc

Office 
Adding machine, coins, copier, dot matrix, electric pencil sharpener, electric typewriter, paper crumbling etc

People
Baby crying, gurgling, cooing, laughing, talking, kiss, nose blowing, burp, carousel, cheering, sc hool, cleaning, fighting, grunt, gulps, panting, giggling, screaming, sighing, playground, pool, restaurant, shopping, sleeping, snoring, crying, moaning, christmas etc

Quotes
Announcer, bus driver, grand central station, sports announcer, track announcer etc

Recreation
Amusement park, baseball game, crowds, horn blast, organ charge, pinball game, race finish, sports event, start of horse race etc

Sci Fi
Alarm, alien, atomic overload, space launch, laser, mars probe, meteor, mother ship, photon, radar, satellite, space noise, ufo, whoosh etc

Storm
Big storm, hurricane, rain, thunder, storm, water, wind etc

Tools
Air compressor, digging, drill, hedge clippers, lawn mower etc

Trains
Diesel train, steam train, subwat, commuter, trains passing, stopping , arriving etc

Trucks
Jeep, truck, jeep horn, pull offs, grinding gears, stopping, starting, doors opening and shutting etc

Vehicle
Skidding, BMW, Volvo, bulldozer, bus, cable car, cornering, gas cap, doors, starting, stuck in mud, cement mixer, dirtbike, dune buggy, engines, fiat, harleys, hot rod, kick start, model A, race cars , revving, stage coach, suzuki, tank, toboggon, tractor, traffic, troop carrier, VW, whoosh etc

Water
Aqua lung, beach, brook, drain emptying, gulls, ice crunching, waves, ocean, river, rushing water, scuba diver, sea, shower, sprinkler, stream, trickling water, walking in water, walking on ice, pouring, flowing, pouring, waterfall, splashes etc