| Формула | AmE | BrE | | -our → -or | color | colour | | harbor | harbour | | favorite | favourite | | -re → -er | center | centre | | meter | metre | | theater | theatre | | -ogue → -og | analog | analogue | | dialog | dialogue | | catalog | catalogue | | -ll → -l | traveled | travelled | | canceled | cancelled | | modeling | modelling | | -ae / -oe → -e | encyclopedia | encyclopaedia | | paleontology | palaeontology | | estrogen | oestrogen | | -ise / -yse → -ize / -yze | realize | realise | | analyze | analyse | | criticize | criticise | | -ence → -ense | defense | defence | | license | licence | | offense | offence | | -ge → -g | acknowledgment | acknowledgement | | judgment | judgement | | aging | ageing |
| | AmE | BrE | | aluminum | aluminium | | ax | axe | | behoove | behove | | check | cheque | | disk | disc | | draft | draught | | furor | furore | | karat | carat | | mold | mould | | cozy | cosy | | donut | doughnut | | gray | grey | | jewelry | jewellery | | curb | kerb | | mustache | moustache | | omelet | omelette | | pajamas | pyjamas | | plow | plough | | program | programme | | specialty | speciality | | story | storey | | sulfur | sulphur | | tire | tyre | | whiskey | whisky |
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