| A | B |
| anti/ante | before, for, forward, forth |
| antecedent | anything that logically goes before something else |
| anterior | located before or in front of |
| antiquated | so old as to be no longer useful |
| counter | against |
| counterfeit | fake or false in nature |
| counterclockwise | to rotate in the opposite direction of clock hands |
| dys/di/dif | not, away, apart |
| diffident | lacking self-confidence, timid |
| diverse | unlike, as different opinions |
| hyper | more than normal; excessive |
| hyperactive | unusually or abnormally active |
| hypertension | high blood pressure |
| inter | among, between |
| intercede | to attempt to reconcile differences between two people or groups |
| interaction | action among, effect or influence |
| intra/intro | within |
| intranet | a computer network with restricted access |
| introduce | to present a person to another |
| micro | small |
| microscope | a device with a lens that magnifies the image of an object |
| microbes | microscopic organisms, expecially those that transmit diseases |