Personalize or Personalise? The Ultimate Guide to the Spelling Battle Across the Atlantic

Language is a living, breathing thing, constantly evolving and occasionally sparking good-natured border disputes. One of the most common battlegrounds for writers, editors, and students is the spelling of words ending in -ize versus -ise—with personalize and personalise leading the charge.

Whether you are crafting a marketing email, writing a novel, or setting up software localization settings, getting this spelling right can make your writing look polished and professional.