| A | B |
| percussion | The sharp striking of one thing against another |
| perennial | Lasting for an indefinitely long time |
| perennial | Continuing regularly |
| perennial | Living longer than two years, said especially of plants |
| permeate | To penetrate through spaces; to spread throughout |
| persevere | To hold fast to a task or purpose despite handicaps or obstacles |
| defer | To postpone; to delay |
| defer | To yield respectfully to the opinion or will of another |
| dilatory | Tending to delay or postpone |
| elation | Excited feelings of pride, triumph, or happiness |
| infer | To use available evidence to form a conclusion |
| infer | To guess |
| contend | To engage in a quarrel, a struggle, or rivalry |
| contend | To assert; to put forward in an argument |
| intent | Purpose |
| intent | Concentrating on or dedicated to an idea or action |
| subvert | To upset; to overthrow; to ruin |
| subservient | Excessively willing to yield; submissive |
| contort | To twist or bend ot of shape |
| distort | To change something to make it false |
| distort | To twist something out of its natural shape |
| retort | To reply quickly and sharply, often as if in reply to an accusation |
| retort | A quick, witty, sometimes biting reply |
| tortuous | Having many twists and turns |
| tortuous | Deceitfully roundabout; tricky |
| adversity | Hardship; misfortune |
| avert | To turn away (one's eyes) |
| avert | To prevent |
| introvert | A person whose thoughts and interests are directed inward |
| perverse | Stubbornly doing something other than what is reasonable or required |
| prose | Ordinary speech or writing without rhyme or meter |
| prose | Referring to speech or writing other than verse |