| Official in? | Answer | % Correct |
|---|---|---|
| Latvia | Latvian | 92%
|
| Lithuanian | Lithuanian | 92%
|
| Czechia | Czech | 91%
|
| Macedonia | Macedonian | 89%
|
| Poland | Polish | 89%
|
| Belarus, Kazakhstan, Kyrgyzstan, Russia | Russian | 89%
|
| Bosnia and Herzegovina, Kosovo, Serbia | Serbian | 89%
|
| Slovakia | Slovak | 89%
|
| Slovenia | Slovene | 89%
|
| Ukraine | Ukrainian | 89%
|
| Belarus | Belarusian | 87%
|
| Bosnia and Herzegovina | Bosnian | 87%
|
| Bosnia and Herzegovina, Croatia | Croatian | 87%
|
| Bulgaria | Bulgarian | 85%
|
| Montenegro | Montenegrin | 75%
|
| No Country | Sorbian | 62%
|
| No Country | Kashubian | 55%
|
| No Country | Rusyn | 49%
|
| No Country | Silesian | 49%
|
| No Country | Church Slavonic | 6%
|