| taciturn (s) | reticent |
| taciturn (a) | garrulous |
| terse (s) | laconic |
| heterogeneous (a) | homogeneous |
| glib (s) | suave |
| penchant (s) | propensity |
| dearth (s) | paucity |
| dearth (a) | plethora |
| ingratiating (s) | unctuous |
| mercenary (s) | avaricious |
| austere (s) | dour |
| laconic (s) | pithy |
| ameliorate (s) | rectify |
| expunge (s) | obliterate |