Possible Questions:
- European language
- Bulgarian, e.g.
- Serbo-Croatian, e.g.
- Language family including Bulgarian and Czech
- Russian language family
- Polish, e.g.
- Polish or Czech
- Of Czechs, etc.
- Like Serbs and Croats
- Like much of the Danube's territory
- Language of Poles, Czechs et al.
- Language family of Czech and Polish
- Indo-European subgroup
- From Zagreb, e.g.
- From Serbia or Croatia
- From Croatia, perhaps
- European language family
- East European language
- Czech, Polish, etc.
- Czech, for instance
- Czech or Polish
- Bulgarian or Polish
- Branch of the Indo-European language family