A compound noun is a noun that is made up of two or more words. Compound noun can be formed with spaces (water tank), without spaces (haircut), and with hyphens (take-off).
Here’s a list of most commonly used compound nouns.
Afterthought, Aircraft, Airline, Airplane, Airport , Anybody, Anyhow, Anymore, Anyone, Anyplace, Anything, Anywhere, Armchair.
Backache, Backbone, Backspace, Backwoods, Basketball, Battlefield, Become, Bedroom, Beeswax, Birthday, Birthright, Blackberry, Blackbird, Blackboard, Blackmail, Blood-vessel, Bluebell, Bodyguard, Bolthole, Bookkeeper, Bookshelf, Bookworm, Boyfriend, Brainstorm, Bread-bin, Breakfast, Brushwood, Bystander.
Cardboard, Carefree, Caretaker, Carpet, Chairman, Classmate, Clockwork, Comeback, Commonsense, Copyright, Countdown, Cowboy, Cupboard.
Daredevil, Daydream, Daylight, Dead Weight, Dishwasher, Doorway, Downfall, Downstairs, Drawback, Driving License, Dry-cleaning.
Earring, Earrings, Earthwork, Evergreen, Everybody, Everyday, Everyone, Everything, Everywhere, Eyeball, Eyeglasses.
Fatherland, Fingerprint, Fire-engine, Firearm, Firefly, Fireman, Fireplace, Firework, First-rate, Floppy Disk, Football, Footlights, Footman, Footnote, Footprint, Footstep, Forecast, Friendship.
Gasworks, Gentleman, Goalkeeper, Goldfish, Good-morning, Good-looking, Goodnight, Grandfather, Grandmother, Greenhouse, Gun-carriage, Gunboat, Gunmetal, Gunpowder.
Haircut, Handbook, Handcuff, Handwriting, Hanger-on, Headache, Headdress, Headland, Headphones, Headstone, Headway, Heartbeat, Hereafter, Herewith, Herself, Highlands, Highway, Himself, Homework, Horseback, Horseplay, Horsepower, Hourglass, Houseboat, Housekeeper, However.
Inasmuch, Income, Indoors, Inland, Inlet, Input, Inside, Instep, Into, Itself.
Ladybug, Landlady, Landmark, Landslip, Lawsuit, Lighthouse, Lipstick, Looking-glass, Lookout, Loophole.
Manhandle, Manhole, Meeting Room, Moonlight, Motorcycle, Myself.
Network, Newspaper, Nightcap, Nobody, Notebook, Nothing, Nowhere.
Offspring, Oncoming, Oneself, Onlooker, Onto, Ourselves, Outburst, Outcome, Outcry, Outdoor, Outgoing, Outhouse, Outlaw, Outlet, Outline, Outlook, Output, Outside, Outskirts, Outstretched, Overacting, Overall, Overbalancing, Overbearing, Overcoat, Overcome, Overdo, Overdose, Overdressed, Overdue, Overfull, Overhanging, Overhead, Overland, Overleaf, Overload, Overlook, Overseas, Overseer, Overshoe, Overstatement, Overtake, Overtaxed, Overthrow, Overtime, Overturned, Overuse, Overvalued, Overweight, Overworking.
Pancake, Passer-by, Photocopy, Pincushion, Plaything, Policeman, Policewoman, Popcorn, Postman, Postmark, Postmaster, Post-office, Postwoman, Printer Cartridge, Public Speaking.
Railway, Rainbow, Raincoat, Rainfall, Receivership, Redhead, Ringworm, Runaway, Runway.
Sandcastle, Scarecrow, Seafood, Seaman, Secondhand, Shorthand, Shutdown, Sideboard, Sidewalk, Sinkhole, Skyscraper, Snowboard, Software, Somebody, Someday, Somehow, Someone, Something, Sometime, Somewhat, Somewhere, Starlight, Startup, Steamship, Suchlike, Sunburn, Sunlight, Sunshade, Sweetheart, Swimming Pool.
Take-off, Teacup, Themselves, Thunderstorm, Time-sheet, Today, Tonight, Toolbox, Toothpaste, Tradesman, Train-spotting.
Underclothing, Under-cooked, Undergo, Undergrowth, Undermined, Undersigned, Undersized, Understatement, Undertake, Undertaker, Undervalued, Undo, Update, Upkeep, Uplift, Upon, Upright, Upstairs, Uptake, Uptight, Upturn.
Wallpaper, Wardrobe, Washing Machine, Water Tank, Waterfall, Waterproof, Weekend, Well-being, Well-off, Whatever, Whenever, Whereas, Whereby, Wherever, Whichever, Whitewash, Whoever, Windpipe, Within, Without, Woodwork, Workhouse, Workman, Workmanship, Workout.