| A | B |
| MEDI | middle |
| median | middle; intermediate |
| mediator | one who comes between opposing parties; |
| medieval | pertaining to the Middle Ages |
| mediocre | of middle quality; ordinary |
| Mediterranean | having land on all sides |
| immediacy | urgency |
| PUNCT | point |
| punctilious | most particular; very precise |
| compunction | remorse; twinges of guilt |
| punctual | exactly on time |
| POTEN | power |
| potent | effective or powerful |
| potential | having the possibility of development |
| omnipotent | all-powerful |
| impotent | lacking power; incapable |
| PLAC | please |
| placebo | a useless but soothing medication; a sugar pill |
| placid | calm; unruffled |
| placate | to pacify; to appease |
| complacent | self-satisfied |
| implacable | cannot be soothed or satisfied |
| LESS | without |
| artless | free from deceit cunning or craftiness; natural |
| listless | without energy or spirit |