US vs UK English

Updated 2026-10-10 · Which One Is Correct editorial team

This is the US vs UK English section of Which One Is Correct. It lists 16 pages, including Apologize or Apologise, Canceled or Cancelled, Center or Centre, Check or Cheque, Color or Colour, Combating or Combatting and more. Each page starts with a quick answer, then gives examples under clear headings and ends with frequently asked questions. Pick a page below, or use the word checker to jump straight to what you need. Pages are written by the Which One Is Correct editorial team, checked before publication and updated when readers send corrections; the date under each title shows the last update. The whole section is free to read and needs no account.

Apologize or Apologise: Which Is Correct?US vs UK EnglishCanceled or Cancelled: Which Is Correct?US vs UK EnglishCenter or Centre: Which Is Correct?US vs UK EnglishCheck or Cheque: Which Is Correct?US vs UK EnglishColor or Colour: Which Is Correct?US vs UK EnglishCombating or Combatting: Which Is Correct?US vs UK EnglishDreamed or Dreamt: Which Is Correct?US vs UK EnglishFavorite or Favourite: Which Is Correct?US vs UK EnglishGray or Grey: Which Is Correct?US vs UK EnglishJudgment or Judgement: Which Is Correct?US vs UK EnglishLearned or Learnt: Which Is Correct?US vs UK EnglishLicense or Licence: Which Is Correct?US vs UK EnglishOrganize or Organise: Which Is Correct?US vs UK EnglishOriented or Orientated: Which Is Correct?US vs UK EnglishToward or Towards: Which Is Correct?US vs UK EnglishTraveling or Travelling: Which Is Correct?US vs UK English

• Apologize or Apologise: Which Is Correct?
  Both spellings are correct, but they belong to different English traditions. You should use apologize when writing for an American audience. Switch to apologise only if you are targeting readers in the United Kingdom, Australia, or other Commonwealth nations.
• Canceled or Cancelled: Which Is Correct?
  The correct spelling depends entirely on which variety of English you are using. In American English, the word is always spelled canceled with a single l. Conversely, British English requires the double l spelling, making cancelled the correct choice for audiences in the UK, Australia, and Canada.
• Center or Centre: Which Is Correct?
  Both spellings are correct, but they belong to different regions. Center is the standard American English spelling, while centre is the preferred British English form. Choose the version that matches your target audience to ensure your writing looks professional and consistent.
• Check or Cheque: Which Is Correct?
  The correct spelling depends entirely on your audience. In American English, you write a check. In British English, the same financial instrument is spelled cheque. Both forms are correct within their respective regions, so choose the version that matches the location of your readers or bank.
• Color or Colour: Which Is Correct?
  Both spellings are correct, but they belong to different regions. You should use color if you are writing for an American audience. If your readers are in the United Kingdom, Canada, or Australia, you must choose colour instead. This simple rule prevents errors.
• Combating or Combatting: Which Is Correct?
  Both combating and combatting are accepted spellings, but combating is significantly more common in modern usage. You can confidently use either form in your writing, though style guides often prefer the single t version for its cleaner appearance and wider acceptance.
• Dreamed or Dreamt: Which Is Correct?
  Both dreamed and dreamt are correct past-tense forms of the verb dream. The choice depends largely on your audience. American English strongly prefers the -ed ending, while British English often accepts the -t variant. Understanding this distinction helps you write with confidence and clarity in any context.
• Favorite or Favourite: Which Is Correct?
  The correct choice depends entirely on your audience. If you are writing for an American readership, use favorite. If you are targeting British, Canadian, or Australian audiences, choose favourite. Both forms are correct within their specific regions.
• Gray or Grey: Which Is Correct?
  Both gray and grey are correct spellings, but their usage depends on your location. Gray is the standard American English spelling, while grey is preferred in British English. Neither version is wrong, so you should simply match your choice to your target audience's regional conventions to ensure clarity.
• Judgment or Judgement: Which Is Correct?
  Both spellings are correct, but they serve different audiences. Judgment is the preferred form in American English and legal contexts, while judgement remains common in British English. Choosing the right one depends entirely on your target readers and the subject matter.
• Learned or Learnt: Which Is Correct?
  The correct spelling depends entirely on where you are located. In American English, you should always use the spelling learned. However, in British English, the variant learnt is widely accepted and commonly used in everyday writing and speech.
• License or Licence: Which Is Correct?
  The correct spelling depends entirely on your audience. In American English, you always use license for both the noun and the verb. British English splits the duty, using licence for the noun and license for the action.
• Organize or Organise: Which Is Correct?
  The short answer is that both spellings are correct, but they belong to different regional standards. You should use organize in American English contexts. Use organise if you are writing for a British audience. Knowing which version to pick depends entirely on your target reader and their location.
• Oriented or Orientated: Which Is Correct?
  Both oriented and orientated are correct spellings for this common word. The main difference lies in regional preference. American English almost always uses oriented, while British English frequently accepts orientated. You can safely choose either form depending on your audience and style guide requirements.
• Toward or Towards: Which Is Correct?
  Both toward and towards are correct English prepositions. The choice depends entirely on your regional preference. American English prefers the shorter form without the s, while British English typically uses the longer version ending in s.
• Traveling or Travelling: Which Is Correct?
  The correct spelling depends entirely on your audience. Traveling is the standard American English form, while travelling is the preferred British English variant. Both versions are grammatically correct, but you should choose the one that matches the regional dialect you are targeting for your readers.