15 American English Words that British People Don't Understand

[PaleoEuropean]

[Cristiano viejo]

Islamic Extremism, there two go.

[Creoda]

From wikipedia:

American English terms not commonly used in Australian English
A non-exhaustive list of American English terms not commonly found in Australian English include:[33]
Acclimate (Aus: acclimatise)
Airplane (Aus: aeroplane)
Aluminum (Aus: aluminium)
Automobile (Aus: car)
Baby carriage (Aus: stroller/pram)
Bangs (Aus: fringe)
Baseboard (Aus: skirting board)
Bayou (Aus: swamp/billabong)
Bell pepper (Aus: capsicum)
Bellhop (Aus: hotel porter)
Beltway (Aus: ring road)
Boondocks (Aus: the sticks/Woop Woop/Beyond the black stump)
Broil (Aus: grill)
Bullhorn (Aus: megaphone)
Burglarize (Aus: burgle)
Busboy (Aus: included under waiter)
Candy (Aus: lollies)
Cellular phone (Aus: mobile phone)
Check (restaurant bill) (Aus: bill)
Cilantro (Aus: coriander)
Comforter (Aus: doona)
Condo (Aus: apartment)
Counter-clockwise (Aus: anticlockwise)
Coveralls (Aus: overalls)
Crapshoot (Aus: a risky venture)
Diaper (Aus: nappy)
Downtown (Aus: CBD)
Drapes (Aus: curtains)
Drugstore (Aus: pharmacy/chemist)
Drywall (Aus: plasterboard)
Dumpster (Aus: skip bin)
Dweeb (Aus: nerd)
Eraser (Aus: rubber)
Fall (season) (Aus: autumn)
Fanny pack (Aus: bum bag)
Faucet (Aus: tap)
Filling station (Aus: service station/petrol station)
Flashlight (Aus: torch)
Freshman (Aus: first year student)
Frosting (Aus: icing)
Gasoline (Aus: petrol)
Gas pedal (Aus: accelerator)
Glove compartment (Aus: glovebox)
Golden raisin (Aus: sultana)
Grifter (Aus: con artist)
Ground beef (Aus: minced beef/mince)
Hood (vehicle) (Aus: bonnet)
Jell-o (Aus: jelly)
Ketchup (Aus: tomato sauce)
Ladybug (Aus: ladybird)
Mail carrier (Aus: postman/postie)
Mass transit (Aus: public transport)
Math (Aus: maths)
Mineral spirits (Aus: turpentine)
Nightstand (Aus: bedside table)
Obligated (Aus: obliged)
Pacifier (Aus: dummy)
Parking lot (Aus: car park)
Penitentiary (Aus: prison)
Period (Aus: full stop)
Play hooky (Aus: to wag)
Popsicle (Aus: ice block/icy pole)
Railroad (Aus: railway)
Railroad ties (Aus: Railway sleepers)
Rappel (Aus: abseil)
Realtor (Aus: real estate agent)
Row house (Aus: terrace house)
Sales tax (Aus: goods and services tax (GST))
Saran wrap (Aus: plastic wrap/cling wrap)
Scad (Aus: a large quantity)
Scallion (Aus: spring onion)
Sharpie (pen) (Aus: texta)
Shopping cart (Aus: shopping trolley)
Sidewalk (Aus: footpath)
Silverware/flatware (Aus: cutlery)
Soda pop (Aus: soft drink)
Stick shift (Aus: manual transmission)
Streetcar (Aus: tram)
Sweatpants (Aus: tracksuit pants/trackies)
Tailpipe (Aus: exhaust pipe)
Takeout (Aus: takeaway)
Trash can (Aus: garbage bin/rubbish bin)
Trunk (vehicle) (Aus: boot)
Turn signal (Aus: indicator)
Turtleneck (Aus: skivvy)
Upscale/downscale (Aus: upmarket/downmarket)
Vacation (Aus: holiday)
Windshield (Aus: windscreen)

Some more:

Sweater - Jumper
Sneakers - Runners
Purse - Handbag
Fries - Chips (Fries here are only with McDonalds, Hungry Jacks etc)
Elevator - Lift
Expressway
Sunny side up
Boombox
Biscuit for a Scone-like bread, Biscuits here are American 'cookies' or crackers
Cookies (has crept into advertising recently but still not common)
Flapjacks
'Take a raincheck'
Gym/Gymclass - P.E. or Phys-Ed
Elementary School - Primary School
College - University/Uni
Police Department
Greenhorn
Tinfoil
Jelly for Jam
Prime Rib
Funeral Home - Funeral Parlour
Shrimp - Prawns
'Pie' for Pizza