

Come on now. “Jewish” can of course refer to the religion of Judaism but “Jew” is definitely a term for an ethnicity, both in common usage and more formal realms.
Who is a Jew? “Jewish identity is also commonly defined through ethnicity. Opinion polls have suggested that the majority of modern Jews see being Jewish as predominantly a matter of ancestry and culture, rather than religion.” “The term “Jew” lends itself to several definitions beyond simply denoting one who practices Judaism.”
If you don’t like Wikipedia “Jews are a distinct ethnicity due to a combination of shared cultural, historical, and ancestral ties. Below are some examples of key factors that make Jews an ethnicity…”
University of Michigan, “Religion or Ethnicity? : The Evolution of Jewish Identities”. “Jewish identity has been defined as an ethnicity, a nation, a culture, and even a race.”
Pew Research “Religion is not central to the lives of most U.S. Jews. Even Jews by religion are much less likely than Christian adults to consider religion to be very important in their lives (28% vs. 57%).”
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