| A | B |
|---|
| spect | to watch, observe |
| retro | backward, behind |
| tox | poison |
| vert | to turn, whirl, or change |
| inspect | to examine carefully and critically; to review or examine officially |
| spectator | one who views an event; an observer or onlooker |
| speculate | to reflect; to meditate on a given subject; to engage in risky business transaction on the chance of great profit |
| spectacles | eyeglasses |
| toxic | harmful, deadly, poisonous |
| intoxicate | to put poison in; to induce, especially with ingested alcohol, effects ranging from exhilaration to stupefaction; to stimulate or excite |
| Termitox | brand name of termite poison |
| retroactive | effective as of a date prior to enactment; extending to a prior time |
| retrospect | looking backwards, reflecting on the past; a review or contemplation of things in the past |
| retrogress | to move backward, especially into an earlier, less complex, or worse condition; decline; degenerate |
| retrorocket | a small rocket on a larger rocket or spacecraft that produces thrust in a direction opposite to the direction of flight in order to reduce speed |
| divert | to deflect; to turn aside from a course or direction; to distract; to amuse or entertain |
| invert | to turn inside out or upside down; to reverse the position, order, or condition of |
| vertigo | severe dizziness |
| vertical | at right angles to the horizon (up and down); of or at the vertex or highest point, directly overhead |
| versatile | skillfully adaptable; having a generalized aptitude; having varied uses or functions |
| versus | against; as an alternative to; in contrast with |
