Modern Hebrew uses Sephardic pronunciation, not that of these European Jews, so "Shabbat" not "Shabbes"
The religious authorities of that time did 
not approve of these irreverent Yiddish writings dealing with modern secular ... 
were so offended by their works, but Jewish people throughout Europe embraced
... [DOC] [TLE] Jewish greetings - Wikipedia [PAR] There are several Jewish and Hebrew greetings, farewells, and phrases that are 
used in Judaism, and in Jewish and Hebrew-speaking communities around the 
world.