Simplify the following text for a Grade 8 native English-speaking person.
Original: These notable synagogues include ; the Portuguese Synagogue ( Amsterdam ) , the Great Synagogue of Rome , the New Synagogue ( Berlin ) , the LeopoldstÃ dter Tempel , the Grand Choral Synagogue ( St. Petersburg ) , the Great Synagogue ( Sydney ) , the Moscow Choral Synagogue , the Great Synagogue of Florence , the Great Synagogue , PlzeÅ , the Great Synagogue ( Warsaw ) , the KoÅ ice Orthodox Synagogue , the Novi Sad Synagogue , the Szeged Synagogue , the Sofia Synagogue and the Great Synagogue of Oran .
Simplified: The word `` synagogue '' comes from sunagoge , which is a Greek word . In a synagogue , Jews do the Jewish services , which are prayers , sometimes with special actions .