| A | B |
| potent | powerful, having a strong effect |
| potentate | monarch, very powerful ruler, sovereign |
| prattle | meaningless sounds, babble |
| precipice | a very steep cliff or mass of rock, the brink of something dangerous |
| precocious | exceptionally early in development or occurrence |
| predilection | preference |
| primeval | ancient, relating to the earliest ages |
| prolific | abundantly fruitful, marked by great productivity |
| propensity | preference, natural inclination |
| propinquity | nearness, kinship |
| propriety | correct conduct |
| quaint | unusual in character or appearance |
| regimen | the regular process, procedure, or system of doing something |
| remonstrate | protest, make objections |
| replete | filled to capacity, abundantly supplied |
| requite | make repayment or return |
| revere | to honor, to regard with respect |
| rotund | very plump, round |
| sagacious | wise, shrewd, very discerning |
| scintillating | to sparkle, shine, or flash |
| sedulously | very diligent, accomplishing with painstaking care |
| sentinel | to keep guard as a sentry |
| solace | to comfort or cheer |
| stalwart | having outstanding strength, being resolute |
| superfluous | beyond what is needed or required, an overflow |