| A | B |
| preamble | an introduction, stating its purpose |
| precede | to come before in time, place, or rank |
| prehistoric | of the period before recorded history |
| preoccupied | occupied the thoughts of; absorbed |
| preschool | designating time between infancy and school age |
| prevent | to keep from happening |
| prearrange | to arrange beforehand |
| precaution | care taken beforehand |
| preclude | to shut out or make impossible |
| predetermine | to determine or decide beforehand |
| predict | to make known beforehand; to foretell |
| premeditate | to think out or plan beforehand |
| prescribe | to order or advise as a medicine or treatment |
| preview | to view or show beforehand |
| previous | occurring before in time or order |