| Word | Opposite | % Correct |
|---|---|---|
| East | West | 100%
|
| Export | Import | 96%
|
| North Pole | South Pole | 96%
|
| Longitude | Latitude | 90%
|
| Rural | Urban | 89%
|
| Democrat | Republican | 85%
|
| Duchess | Duke | 83%
|
| Immigration | Emigration | 72%
|
| Mountain | Valley | 72%
|
| Modern (time) | Ancient | 63%
|
| Mainland | Island | 62%
|
| Communism | Capitalism | 57%
|
| Foreign | Domestic | 45%
|
| Prime Meridian | Equator | 39%
|
| Windward | Leeward | 32%
|
| Source (river) | Mouth | 29%
|
| Coastal | Landlocked | 16%
|
| Meridian | Parallel | 7%
|