Declension table of ?putravidya

Neuter	Singular	Dual	Plural
Nominative	putravidyam	putravidye	putravidyāni
Vocative	putravidya	putravidye	putravidyāni
Accusative	putravidyam	putravidye	putravidyāni
Instrumental	putravidyena	putravidyābhyām	putravidyaiḥ
Dative	putravidyāya	putravidyābhyām	putravidyebhyaḥ
Ablative	putravidyāt	putravidyābhyām	putravidyebhyaḥ
Genitive	putravidyasya	putravidyayoḥ	putravidyānām
Locative	putravidye	putravidyayoḥ	putravidyeṣu

Compound putravidya -

Adverb -putravidyam -putravidyāt