British and American English have several variations in spelling and pronunciation.
Here are the most common spelling changes.
| British | American |
| re | er |
| centre | center |
| fibre | fiber |
| litre | liter |
| theatre | theater |
| our | or |
| colour | color |
| humour | humor |
| flavour | flavor |
| labour | labor |
| neighbour | neighbor |
| ise | ize |
| apologise | apologize |
| recognise | recognize |
| realise | realize |
| yse | yze |
| analyse | analyze |
| paralyse | paralyze |
| ell | el |
| traveller | traveler |
| dialled | dialed |
| fuelled | fueled |
| cancelled | canceled |
| ence | ense |
| defence | defense |
| offence | offense |
| ogue | og |
| analogue | analog |
| catalogue | catalog |
