You write “colour”, your app underlines it in red, and you wonder who is right. Both are. British English and American English are two standard varieties of the same language, and neither is more correct than the other. They differ in four main areas: spelling, vocabulary, grammar and pronunciation. The differences are mostly small and consistent, so once you learn the patterns you can switch between them with confidence. At SPRACHCAFFE we teach British English at our schools in England and Malta, and the guide below sets out the differences that matter most.
American vs. British English
Don’t Mix British and American English: Common Mistakes to Avoid
Avoid mixing British and American English. It's easy to do, as the differences are usually smaller than you might initially think.
To help you avoid this, we'll show you some key differences! American English (AE) and British English (BE) often differ in vocabulary, spelling, pronunciation, and, less frequently, grammar.
Spelling differences
| Pattern | British English | American English |
| -our / -or | colour, flavour, neighbour, honour, labour | color, flavor, neighbor, honor, labor |
| -re / -er | centre, theatre, metre, litre, fibre | center, theater, meter, liter, fiber |
| -ise / -ize (see note) | organise, realise, apologise, recognise | organize, realize, apologize, recognize |
| -yse / -yze | analyse, paralyse, catalyse | analyze, paralyze, catalyze |
| -ce / -se (noun vs verb) | licence (noun), license (verb); practice (noun), practise (verb); defence, offence | license (both), practice (both); defense, offense |
| double L / single L | travelled, cancelled, modelling, jewellery | traveled, canceled, modeling, jewelry |
| -ogue / -og | catalogue, dialogue, analogue | catalog, dialog, analog |
| -ae, -oe / -e | encyclopaedia, paediatric, foetus | encyclopedia, pediatric, fetus |
Note on -ise and -ize: British English most often uses -ise (organise, realise) but also accepts -ize (the house style of the Oxford English Dictionary), so both are correct in British English; American English always uses -ize. What matters is consistency within a document. A memory aid for the -ce/-se split in British English: the noun takes -ce and the verb takes -se (a driving licence, but the authorities license you to drive; a doctor has a practice, but they practise medicine). American English uses -se for both.
Vocabulary differences
The same thing often has two everyday names. Here is a fuller, corrected list, grouped by theme (British English on the left, American English on the right).
General and everyday:
| British English | American English |
| flat | apartment |
| lift | elevator |
| ground floor | first floor |
| rubbish | garbage, trash |
| bin | trash can |
| torch | flashlight |
| rubber | eraser |
| tin | can |
| cooker | stove |
| tap | faucet |
| wardrobe | closet |
| cot | crib |
| nappy | diaper |
| dummy | pacifier |
| plaster | Band-Aid |
| drawing pin | thumbtack |
| notice board | bulletin board |
| queue | line |
Food and drink:
| British English | American English |
| chips | fries |
| crisps | (potato) chips |
| biscuit | cookie |
| sweets | candy |
| candy floss | cotton candy |
| aubergine | eggplant |
| courgette | zucchini |
| prawn | shrimp |
| jacket potato | baked potato |
| icing sugar | powdered sugar |
| starter | appetizer |
| fizzy drink | soda |
Clothing:
Transport and travel:
| British English | American English |
| petrol | gas |
| motorway | highway, freeway |
| pavement | sidewalk |
| boot (of a car) | trunk |
| bonnet | hood |
| windscreen | windshield |
| lorry | truck |
| underground, tube | subway |
| railway | railroad |
| car park | parking lot |
| number plate | license plate |
| indicator | turn signal |
| single ticket | one-way ticket |
| return ticket | round-trip ticket |
Around town and daily life:
| British English | American English |
| holiday | vacation |
| autumn | fall |
| post | |
| postman | mailman |
| postcode | zip code |
| chemist | drugstore, pharmacy |
| shop | store |
| primary school | elementary school |
| term | semester |
| football | soccer |
| film | movie |
| mobile (phone) | cell phone |
| mum | mom |
| aeroplane | airplane |
| headteacher | principal |
| solicitor, barrister | lawyer, attorney |
| note (banknote) | bill |
Grammar differences
Grammar differences are small but consistent: British English says "have got" for possession and often prefers the present perfect ("I have just eaten"), where American English leans on plain "have" and the simple past ("I just ate"), and adds "gotten" as the past participle of "get". British English also allows a plural verb with collective nouns ("The team are celebrating"), takes different prepositions ("at the weekend", "different from/to" versus "on the weekend", "different than"), and writes dates day-first. That last one matters in practice, since 03/05 means 3 March in Britain and 5 March in the US.
Pronunciation differences
Pronunciation is where the two varieties differ most audibly: standard British English is non-rhotic, so the "r" in "car" isn't fully sounded, while General American is rhotic and sounds it clearly. Americans also tend to flap the "t" so "better" edges towards "bedder", and words like "bath" and "dance" take a long "ah" in southern British English but a short, flat "a" in most American accents. None of this prevents mutual understanding, and exposure is the fastest way to tune your ear, which is exactly what immersion provides.
Summary
British English and American English are two standard varieties of one language. They differ in spelling patterns (-our vs -or, -re vs -er), in everyday vocabulary (flat vs apartment, lift vs elevator), in a handful of grammar points (got vs gotten, dates, collective nouns) and in pronunciation, but they remain mutually understood. Pick the variety that matches your goal and stay consistent. At SPRACHCAFFE you can learn British English in England or Malta, surrounded by the people, places and daily practice that make it stick.
FAQ
They differ in four areas: spelling (colour vs color), vocabulary (lift vs elevator), grammar (some tense and preposition use) and pronunciation, though they remain the same language.
Neither. Both are standard, valid varieties, and neither is more correct. The right choice depends on your goals and where you plan to use your English.
British "-our" becomes American "-or" (colour, color), "-re" becomes "-er" (centre, center), and many "-ise" verbs are spelled "-ize" in American English.