The word "Grotzke" is a Polish surname pronounced as /ˈɡrɒtski/. The letter "G" is pronounced as "guh" followed by "r" as "er" sound. The "o" is pronounced as "ah" sound followed by "t" as "tuh" and "z" as "zuh" sound. The letter "k" is pronounced as "kuh" and "e" is silent. Depending on the region in Poland, this spelling might differ, but the pronunciation remains the same.