* Ex-: This prefix comes from Latin and means "out of" or "from." Examples include "exit" (to go out), "exhale" (to breathe out), and "excise" (to cut out).
* Ab-: Also from Latin, this prefix means "away from" or "off." Examples include "abduct" (to carry away), "abolish" (to do away with), and "abrogate" (to cut away or annul).