| American/ Canadian | British | Notes |
| G | ||
| galoshes | | Tall rubberised boots. |
| garbage, trash | rubbish, refuse |
|
| garbage can | dustbin |
|
| garbage collector obs | dustman | BE computer scientists talk about "garbage collection". Political correctness has now given AE "sanitation engineer", in BE this term would refer to somebody who designs and builds sewers and associated facilities, a specialised form of civil engineer. |
| garter belt | suspender | Used to support ladies' stockings. In British usage a "garter" is a band, usually elastic, that goes around the leg to support a sock or stocking. There are no gender specific connotations. |
| gas | petrol | Fuel for motor vehicles. British usage reserves "gas" to mean an inflammable gas such as methane or carbon monoxide piped to domestic and industrial premises as a fuel. The word gasoline would not be widely understood in |
| gear shift, gear stick | gear lever | Part of car. |
| generator | dynamo | It converts mechanical energy to electrical energy. The American usage would be familiar to British ears. I was once told that a dynamo only generates DC whereas the machine that generates AC is called an alternator. |
| German shepherd | alsatian | breed of dog |
| girl scouts US | girl guides |
|
| goaltender | goalkeeper | "goalie" is common in both AE and BE. |
| goatsucker | nightjar | bird |
| golden raisin | sultana | A dried grape. |
| goose bumps | goose pimples |
|
| goose egg * | duck | Score of zero in a game. The BE usage is confined to cricket. |
| gotten | got | "gotten" is sometimes used in BE to suggest an American rustic. |
| grade | gradient (slope) | The American usage of the word to refer to a stage in a child's progress through school is unknown in the |
| grade crossing * | level crossing | Road/railway crossing. |
| graham crackers | digestive biscuits | Biscuits made from whole wheat flour. Also available part coated with chocolate or as a pair sandwiching a cream filling. |
| grease pencil | chinagraph pencil |
|
| green thumbs | green fingers | good at gardening |
| ground | earth | Electrical. |
| ground | minced | meat, but mincemeat is something completely different composed mainly of fruit and used for making delicious small pies at Christmas time. |
| GST Can | VAT | Goods and Services Tax / Value Added Tax. A tax levied "at the point of consumption". In the |
| gumboot *obs | wellington | Boot, usually rubber or rubberised, reaching well up the calf worn in agricultural contexts. |
| gurney * | no equivalent | It's not that wheeled stretchers are unknown in British hospitals, it's just that there is no common name for them. |
| American/ Canadian | British | Notes |