Declension table of ?autra

Neuter	Singular	Dual	Plural
Nominative	autram	autre	autrāṇi
Vocative	autra	autre	autrāṇi
Accusative	autram	autre	autrāṇi
Instrumental	autreṇa	autrābhyām	autraiḥ
Dative	autrāya	autrābhyām	autrebhyaḥ
Ablative	autrāt	autrābhyām	autrebhyaḥ
Genitive	autrasya	autrayoḥ	autrāṇām
Locative	autre	autrayoḥ	autreṣu

Compound autra -

Adverb -autram -autrāt