Most people confuse these words? Shouldn't they only be able to communicate in pictures?

English Genius

You scored 93% Beginner, 86% Intermediate, 93% Advanced, and 77% Expert!
You did so extremely well, even I can't find a word to describe your excellence! You have the uncommon intelligence necessary to understand things that most people don't. You have an extensive vocabulary, and you're not afraid to use it properly! Way to go!

The Commonly Confused Words Test
http://www.okcupid.com/tests/take?testid=14457200288064322170



I'm still worried it wasn't a 100%