Declension table of ?barbarin

Neuter	Singular	Dual	Plural
Nominative	barbari	barbariṇī	barbarīṇi
Vocative	barbarin barbari	barbariṇī	barbarīṇi
Accusative	barbari	barbariṇī	barbarīṇi
Instrumental	barbariṇā	barbaribhyām	barbaribhiḥ
Dative	barbariṇe	barbaribhyām	barbaribhyaḥ
Ablative	barbariṇaḥ	barbaribhyām	barbaribhyaḥ
Genitive	barbariṇaḥ	barbariṇoḥ	barbariṇām
Locative	barbariṇi	barbariṇoḥ	barbariṣu

Compound barbari -

Adverb -barbari