Declension table of ?somaputra

Neuter	Singular	Dual	Plural
Nominative	somaputram	somaputre	somaputrāṇi
Vocative	somaputra	somaputre	somaputrāṇi
Accusative	somaputram	somaputre	somaputrāṇi
Instrumental	somaputreṇa	somaputrābhyām	somaputraiḥ
Dative	somaputrāya	somaputrābhyām	somaputrebhyaḥ
Ablative	somaputrāt	somaputrābhyām	somaputrebhyaḥ
Genitive	somaputrasya	somaputrayoḥ	somaputrāṇām
Locative	somaputre	somaputrayoḥ	somaputreṣu

Compound somaputra -

Adverb -somaputram -somaputrāt