Declension table of putra

Neuter	Singular	Dual	Plural
Nominative	putram	putre	putrāṇi
Vocative	putra	putre	putrāṇi
Accusative	putram	putre	putrāṇi
Instrumental	putreṇa	putrābhyām	putraiḥ
Dative	putrāya	putrābhyām	putrebhyaḥ
Ablative	putrāt	putrābhyām	putrebhyaḥ
Genitive	putrasya	putrayoḥ	putrāṇām
Locative	putre	putrayoḥ	putreṣu

Compound putra -

Adverb -putram -putrāt