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I got sick of having to constantly look up the difference between "affect" and "effect," so I created this trick to help me easily decide which to use.
Substituting endgame for effect might not be a perfect fit, but I believe it should be close enough once every other alternative is ruled out. I hope you find it useful as well!
Gotta love The Oatmeal! But this kind of device never worked for me because I could never remember which word was which part of speech.
I never worry about that, unless I'm taking a test! :)