Wordnet angielsko-polski 
                        
1. (a native of inhabitant of the Czech Republic) 
Czech, Pepik, Pepiczek, pepik, pepiczek 
2. (a native or inhabitant of the former republic of Czechoslovakia) 
Czechosłowak: : synonim: Czechoslovakian
synonim: Czechoslovak
3. (the Slavic language of Czechs) 
język czeski, czeszczyzna, czeski: : 
(of or relating to Czechoslovakia or its people or their language
"The Czech border"
"Czechoslovak nationalists"
 "The Czechoslovakian population") 
czeski 
synonim: Czechoslovakian