Bachelor’s vs bachelors is a common grammar question because one form uses an apostrophe while the other does not. The ...

The plural of hippopotamus is hippopotamuses, and hippopotami is also accepted in English. Many people become confused because English uses ...

Racking and wracking are both real English words, but they are not always interchangeable. Most modern style guides recommend racking ...

Swam and swum are both correct words, but they are used in different grammar situations. Many English learners and native ...

Mum and mom are both correct words for a mother, but they are used in different parts of the English-speaking ...

Senpai is the correct Japanese word, while sempai is a common alternative spelling that appears because of pronunciation rules in ...

Zeros and zeroes are both correct plural forms of the word zero, but their use depends on style, region, and ...

Calves is the correct plural of calf, while calfs is an incorrect spelling in modern English. Many people become confused ...

Appendices and appendixes are both correct plural forms of the word appendix, but they are used in different contexts. Many ...

Buses is the standard plural form of bus, while busses is a less common spelling that is usually used as ...