Authorization vs Authorisation: Which Spelling Is Correct?
Both spellings are correct. Authorization is standard in American English, and authorisation is standard in British English. Neither one is a…
Optimize vs. Optimise: Which Spelling Should You Use?
Both spellings are correct, and both mean exactly the same thing: to make something as effective or efficient as possible. Optimize is the…
Ambiance vs. Ambience: Which Spelling Is Correct?
Both spellings are correct, and both mean exactly the same thing: the overall mood or atmosphere of a place. You’re not choosing between…
Tire Vs. Tyre: Which Spelling Is Correct?
Tire is the standard spelling in American and Canadian English. Tyre is the standard spelling in British English and most other Commonwealth…
Specialty Vs. Speciality: Which Spelling Is Correct?
Specialty is the standard spelling in American English. Speciality is the standard spelling in British and Commonwealth English. Both refer to…
Y’all vs. Yall vs. Ya’ll: The Correct Spelling, Explained
You’re texting a group of friends or writing a casual post, and you type “y’all.” Then you second-guess the…
Aesthetic Vs Esthetic: Which Spelling Is Correct?
Aesthetic is the standard spelling in both American and British English, and it’s correct in nearly every context — general writing,…
Favor vs. Favour: Which Spelling Is Correct?
Favor is correct in American English. Favour is correct in British, Australian, and most Commonwealth English. They’re the same word,…
Ecommerce or E-commerce: Which Spelling Is Correct?
E-commerce — with a hyphen — is the standard spelling in formal American English. It is the form listed in Merriam-Webster, the Oxford English…
Okay or OK: Which Spelling Is Correct?
Both are correct. OK (two capital letters, no periods) is the form recommended by the AP Stylebook and listed as the primary entry in…