Both leaped and leapt are correct past-tense forms of leap, which means to jump or move suddenly. Leaped is more ...

Memento is the preferred spelling in English when you mean an object that reminds you of a person, place, or ...

Adaptor and adapter mean the same thing in most cases. Adapter is the more common spelling in American English, while ...

Enrolment and enrollment mean the same thing: the act of officially joining a course, school, group, or program. Enrolment is ...

Totalling and totaling are both correct spellings. Totalling is preferred in British English, while totaling is the standard American English ...

Worshipping and worshiping are both correct spellings. Worshipping is more common in British English, while worshiping is preferred in American ...

Judgmental and judgemental are both accepted spellings. Judgmental is preferred in American English, while judgemental is common in British English ...

Optimization and optimisation have the same meaning. Optimization is the standard American spelling, while optimisation is the standard British spelling. ...

Humor and humour are both correct spellings. Humor is standard in American English, while humour is standard in British English. ...

Favorite and favourite have the same meaning. Favorite is the standard American spelling, while favourite is the standard British spelling. ...