The document defines and provides examples of the affixes "anti-" and "-al". "Anti-" means against or opposite, and is used to form words like antifreeze, antisocial, antiseptic, etc. "-al" means having the characteristics of, and is used to form words like personal, aerial, imperial, comical, floral, and dismissal. Examples are given for how each affix can be added to root words to change their meaning.