Jews others of Iberian origin show variable frequencies of admixture with non-Jewish historical host populations among the maternal lines. In the case of Ashkenazi and Sephardi Jews (in particular Moroccan Jews), who are closely related, the source of non-Jewish admixture is mainly southern European, while Mizrahi Jews show evidence of admixture with other Middle Eastern populations. Behar "et al." have remarked on a close relationship between Ashkenazi Jews and modern Italians. A 2001 study found that Jews were found to be more closely related to groups of the Fertile Crescent (Kurds, Turks, and Armenians) than to their Arab neighbors, the geographic
Ashkenazi Hebrew eastern, e.g. Eastern Syriac "Peshitta" as against Western Syriac "Peshito". Ashkenazi Hebrew in its written form also resembles Palestinian Hebrew in its tendency to "male" spellings (see Mater lectionis). Others, including Abraham Zevi Idelsohn, believed that the distinction is more ancient, and represents the distinction between the Judaean and Galilean dialects of Hebrew in Mishnaic times (1st−2nd centuries CE), with the Sephardi pronunciation being derived from Judaean and the Ashkenazi from Galilean. This theory is supported by the fact that Ashkenazi Hebrew, like Samaritan Hebrew, has lost the distinct sounds of many of the guttural letters, while there are references