| A | B |
| postdate | a date that comes after the real date |
| postgraduate | person who takes classes after graduatig from college |
| posthmous | occurring after death |
| postindustrial | time period after the Industrial Revolution |
| postmark | a mark printed across a stamp |
| postmeridian | taking place after noon |
| postmortem | done after death |
| postpone | to put off |
| postproduction | editing done after film/video has been filmed |
| postscript | p.s. |
| preapprove | to authorize in advance |
| precaution | measure taken to prevent harm takien in advance |
| precede | to go before |
| predict | to say before |
| prefix | syllable that comes before the root |
| prejudge | to make a decision before having all the facts |
| prepay | to pay before |
| pretest | a test given before instruction |
| prevent | to stop something before it occurs |
| preview | to see something before |