Ever feel embarrassed when you don't know how to say a word? Don't be. Even the most fluent English speakers—and, ahem, political figures—stumble. Besides, pronunciations change over time. See if you've been mispronouncing these common words.

1. SEUSS

Pen names don't always make things easier. Theodore Geisel's college buddy Alexander Liang made a rhyme to teach you the right way to pronounce it:

"You’re wrong as the deuce/And you shouldn’t rejoice/
If you’re calling him Seuss/He pronounces it Soice" (or Zoice).