Ancient Hebrew writings the Tannaim (rabbis cited in the Mishnah), the spoken vernacular of Jews in Judaea was a late form of Hebrew known as Rabbinic or Mishnaic Hebrew, whereas during the period of the Amoraim (rabbis cited in the Gemara), which began around 200 CE, the spoken vernacular was Aramaic. Hebrew continued to be used for the writing of religious texts, poetry, and so forth. There are significant differences between the two Talmud compilations. The language of the Jerusalem Talmud is a Western Aramaic dialect, which differs from the form of Aramaic in the Babylonian Talmud. The Jerusalem Talmud is often fragmentary
Revival of the Hebrew language Hebrew was used not only in written form but also as an articulated language, in synagogues and in batei midrash. Thus, Hebrew phonology and the pronunciation of vowels and consonants were preserved. Despite this, regional influences of other languages caused many changes, leading to the development of different forms of pronunciation: Within each of these groups, there also existed different subsets of pronunciation. For example, differences existed between the Hebrew used by Polish Jewry and that of Lithuanian Jewry and of German Jewry. In the fifty years preceding the start of the revival process, a version of spoken Hebrew already