American Terms...

Food items are called by American names:

• French fries or simply Fries are sliced and fried potatoes,
• Chips are crisps.
• Cookie is a Biscuit.
• Biscuit is a small piece of soft bread.

Terms for parts of a building:

• The First floor is the Ground Floor.
• The Second floor is the First Floor.
• Elevator is the Lift.
• Apartment is the general word for a Flat.

When you are on the move:

• The Trunk is the Boot of the car.
• The Hood is the Bonnet.
• A Traffic Circle is a Roundabout. Some Americans may use roundabout as well, though. Also, in the Northeast, the same might be called a "Rotary".
• The colours of traffic lights are called red, yellow and green (not amber).
• Truck is a Lorry.
• Sidewalk is the Pavement. "Pavement" is commonly referred to as the street.
• Gasoline or Gas is Petrol.
• Airplane is used instead of Aeroplane.

 Understanding these differences:

• Bathroom, Restroom or Washroom are used for the Toilet.
• "Restroom" is always in a public places. A 'bathroom' usually means there's also a tub, but it can refer to a public toilet. 'Washroom' can refer to either.
• An Eraser is a Rubber. Most Americans think of a Rubber as a condom, so this is an important one.

Talking about clothing:

• Pants are Trousers. American "Trousers" is commonly referring to nice or formal pants.
• Panties are women's undergarments, and Underwear refers to either women's or men's undergarments. Often, men's long underwear are called "boxers".
• Sneakers or tennis shoes are Trainers. Trainers are generally personal fitness coaches.

Can cause confusion:

• Baby Stroller or Buggy is a Pram ('Baby stroller' or simply 'stroller' is most common).
• Vacation is a Holiday or a trip to get away from ordinary life. This is quite important, because Holiday only means a special day, such as Christmas or Thanksgiving.
• Flashlight is a Torch.
• Dish Detergent is Washing-up liquid or liquid to wash dishes.
• Next ___day is ___day next (ex. we are going on vacation next Thursday)
• Football refers to American football in America. Soccer is used to describe what people in most other parts of the world know as football.

 Good Luck with this.. probably this helps..