Peterson notes that eastern Indo-Aryan languages display many morphosyntactic features similar to those of Munda languages, while western Indo-Aryan languages do not.
pˈiːɾɚsən nˈoʊts ðæt ˈiːstɚn ˈɪndoʊˈɑːɹɹɪən lˈæŋɡwɪdʒᵻz dɪsplˈeɪ mˈɛni mˌɔːɹfəsɪntˈæktɪk fˈiːtʃɚz sˈɪmɪlɚ tə ðoʊz ʌv mˈʌndə lˈæŋɡwɪdʒᵻz, wˌaɪl wˈɛstɚn ˈɪndoʊˈɑːɹɹɪən lˈæŋɡwɪdʒᵻz duːnˈɑːt.