Semitic is race. Judaism is a religion. Religion is a cultural phenomenon. Zionism is intrinsically linked to the religion and historically has been an incredibly fanatic cult very willing to do anything to reach their final goals. I think hatred of this is far removed from any kind of racism.
E: and the conflation of Zionism with Judaism is something I see consistently coming from zionists, so it being being deemed a trait of anti Semitism doesn’t make sense to me for several reasons. I’m an atheist though so generally have no respect for fairytales that send people psychotic…