| A | B |
| Avert | to turn away or aside |
| Diversify | to give variety to |
| Diversion | something that relaxes or entertains |
| Inadvertent | accidental; unintentional |
| Incontrovertible | indisputable |
| Invert | to turn inside out or upside down |
| Irreversible | incapable of being reversed |
| Revert | to return to a former condition |
| Versatile | capable of doing many things compently |
| Vertigo | the sensation of dizziness and the feeling that oneself or one's environment is whirling about |