| A | B |
| diva | a leading woman singer in an opera |
| auriferous | bearing gold |
| invidious | giving offense |
| oblivious | forgetful; unmindful |
| odius | hateful; disgusting; offensive |
| estivate | to spend the summer in a dormant condition |
| culpable | blameworthy |
| expatriate | to exile |
| imperturbable | cannot be excited; impassive |
| initiate | to bring into practice |
| irrevocable | cannot be recalled |
| fiat | an order issued by a legal authority |
| indubitable | unquestionable; cannot be doubted |
| inane | lacking sense or meaning |
| invalidate | to deprive of legal force |