13 Frequently Misused/Confused Words

Welcome back for another installment of the Thursday Thirteen!

This week's post is actually writing-related, and I've been building it (very) slowly over the course of the last couple of months. So, why delay any longer? Here we go with
13 Frequently Misused/Confused Words
1) It's "Congratulations" NOT "Congraduations".
To be honest, this is one which almost breaks my heart. Thanks to Hallmark and their decision to put a bit of wordplay on cards meant for high school and college graduates, we...