| A | B |
| estimate | (n.) an approximate value |
| eternal | (adj.) without beginning or end |
| exemplify | (v.) to serve as a superior example of a thing |
| expend | (v.) to pay out; to use up (as in energy or money) |
| expedite | (v.) to speed the process |
| expertise | (n.) expert knowledge or skill |
| expose | (v.) to reveal or unmask; to deprive of shelter, protection, or care |
| extensive | (adj.) covering a large area; great in number |
| fastidious | (adj.) hard to please; taking excessive care |
| flaw | (n.) an imperfection or defect |
| fluctuate | (v.) to be unstable; to rise and fall |
| frenetic | (adj.) frantic; frenzied; fast, energetic, or anxiety-driven |
| functional | (adj.) capable of working or operating |
| grandeur | (n.) awesome or impressive; magnificence |
| historic | (adj.) famous or important in history |
| hitherto | (adv.) up until now |
| hostile | (adj.) harmful or dangerous; unfriendly; |
| hypothetical | (adj.) supposed; suggested idea or theory |
| indifferent | (adj.) apathetic; not caring |
| immense | (adj.) huge; vast |