Modern Hebrew uses Sephardic pronunciation, not that of these European Jews, so "Shabbat" not "Shabbes"
Many Jews, 
even if they do not speak Hebrew fluently, will know several of these ... For the 
Sabbath, there are several greetings that Jews use to greet one... [DOC] [TLE] Shabbat shalom vs. Good Shabbos - Frum Satire [PAR] Mar 25, 2012 ...