Most JudÃ o-Arabic dialects were written in modified forms of the Hebrew alphabet , often including consonant dots from the Arabic alphabet to accommodate phonemes that did not exist in the Hebrew alphabet . Jews in Arab countries wrote -- sometimes in their dialects , sometimes in a more classical style -- in a mildly adapted Hebrew script ( rather than using Arabic script ) , often including consonant dots from the Arabic alphabet to accommodate phonemes that did not exist in the Hebrew alphabet .