Declension table of ?amāputra

Masculine	Singular	Dual	Plural
Nominative	amāputraḥ	amāputrau	amāputrāḥ
Vocative	amāputra	amāputrau	amāputrāḥ
Accusative	amāputram	amāputrau	amāputrān
Instrumental	amāputreṇa	amāputrābhyām	amāputraiḥ amāputrebhiḥ
Dative	amāputrāya	amāputrābhyām	amāputrebhyaḥ
Ablative	amāputrāt	amāputrābhyām	amāputrebhyaḥ
Genitive	amāputrasya	amāputrayoḥ	amāputrāṇām
Locative	amāputre	amāputrayoḥ	amāputreṣu

Compound amāputra -

Adverb -amāputram -amāputrāt