In most places where Jews settled in Morocco, the Arabic they spoke differed from the language of the local Muslims. It was only at the end of the twentieth century and the start of the twenty-first, when the size of the country’s Jewish population had dwindled greatly and Jews no longer lived in closed neighborhoods, that dialectic variations between Jews and Muslims blurred or disappeared. The distinctions were once apparent in every aspect of language—phonology, morphology, syntax, vocabulary, and semantics. For example, the consonant [k] exists in the dialect of Muslims in the Tafil…