Ennui

What it means: A lack of spirit, enthusiasm, or interest.

How you may have pronounced it: N-U-I.

How it's actually pronounced: ON-wee.

NBC

Aspartame

What it means: A low-calorie sweetener.

How you may have pronounced it: As-part-a-may.

How it's actually pronounced: ass-PAR-tame.

Fox

What it means: Silent and gloomy.

How you may have pronounced it: Maybe you thought it sounded like the word "sour"?

How it's actually pronounced: It rhymes with "tour."

Disney

What it means: An herb.

How you may have pronounced it: kwin-o-a.

How it's actually pronounced: KEEN-wa.

Warner Bros.