In general, to form plurals in English, you add either -s or -es (and sometimes change a y to an i). But there are a number of words – including some you use every day – that don’t follow this rule.

Lots of languages have distinct plural forms for you. When talking to more than one person, the French use vous; the Italians, voi; the Spanish, ustedes; and the Germans, ihr. Wouldn't it be useful if ...

Think you know your plurals? From everyday words like “tomato” to tricky Latin and Greek forms like “nucleus” and “appendix,” this 25-question quiz will put your grammar skills to the ultimate test.

Toyota has been conducting a poll to determine the plural of “Prius.” Will it be Priuses? Will it be the Latin-inspired Prii? Should Prius be like deer, using its singular as its plural? Or how about ...

Rob Pensalfini is a Senior Lecturer in Linguistics and Drama at the University of Queensland, and the Artistic Director of the Queensland Shakespeare Ensemble. Contemporary accents in particular would ...

Usually English plurals are pretty easy. Just add s: one dog, two dogs. We know some plurals don't use s: children, deer. There are some nouns that we seem to use only in the plural: thanks, ...

The word data leaves some of us in a conundrum. Data is the plural of datum, the Latin word for something given. Ordinarily, the plural word would get a plural verb. The chickens are on their nests.

Algae thrives in sunlight. Or is it algae thrive? These are the questions that can broadside a copy editor years, even decades, into her career. When it comes to English, there’s never a point where ...