Tag Archives: -ii

Watch your endings, genii!

A colleague just quoted from a website on which genie is pluralized as genii.

No, it’s not correct. Genie does derive ultimately from Latin genius (which can be pluralized as genii or as geniuses), but it came to us by way of French, and it’s an English word now, so it’s genies.

But this reminds me of a much larger issue that needs to be addressed: the idea – a rather common one, it seems to me – that there is a Latin plural ending -ii that should be applied to Latin-seeming (and some other foreign-seeming) words. I see it, for instance, when some people write virii instead of viruses.

To be as plain as possible: in Latin, -ii is not a plural ending. Ever. Nor is it one in English (unless this pseudoplural catches on, I guess…). In fact, I can’t think of a language in which it is a plural ending, though there might be one somewhere. Not English, though!

No doubt some of you are saying, “Hey! That’s wrong! What about genii for genius and radii for radius?” Continue reading