| A | B |
| Per | "through" |
| fero | "to bring, bear or carry" |
| tendo | "to stretch" |
| percussion | the sharp striking of one thing against another |
| perennial | lasting for an indefinitely long time |
| 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; 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 |
| contend | to engage in a quarrel, a struggle, or rivalry; to assert, put forward an argument |
| intent | purpose; concentrating on or dedicated to an idea or action |