2. AFFIXES: An affix is a group of letters that are added to the beginning of the end of a root word that can change the word's meaning. Here are some examples of affixes: incapable (The affix is the prefix in.) ex-President (The affix is the prefix ex-.) laughing (The affix is the suffix -ing.) 3. TYPES OF AFFIXES: Suffixes, prefixes. 4. A prefix is added to the beginning of the word and changes the meaning of that word. Common prefixes Examples: Re ( again) - un (not)- pre (before) Restart - unconscious - pre-order Please restart your computer to complete installation. I was unconscious during the surgery and didn’t have any idea what had happened until I woke up. If you're a huge Chesney fan, you can pre-order the CD on Amazon.com 5. THE FOUR MOST COMMON PREFIXES ARE , IN-, RE-, AND UN-. (THESE ACCOUNT FOR OVER 95% OF PREFIXED WORDS. He has all of the virtues I dislike and none of the vices I admire. I inspire myself. (American actor Tommy Wiseau) May your choices reflect your hopes, not your fears. What consumes your mind controls your life. (Unknown philosopher) 6. LIST OF COMMON PREFIXES 7. Suffixes 8. THE FOUR MOST COMMON SUFFIXES ARE -ED, -ING, -LY, AND -ES. (THESE ACCOUNT FOR OVER 95% OF SUFFIXED WORDS.) 9. LIST OF COMMON SUFFIXES