Declension table of ?nāpitya

Masculine	Singular	Dual	Plural
Nominative	nāpityaḥ	nāpityau	nāpityāḥ
Vocative	nāpitya	nāpityau	nāpityāḥ
Accusative	nāpityam	nāpityau	nāpityān
Instrumental	nāpityena	nāpityābhyām	nāpityaiḥ nāpityebhiḥ
Dative	nāpityāya	nāpityābhyām	nāpityebhyaḥ
Ablative	nāpityāt	nāpityābhyām	nāpityebhyaḥ
Genitive	nāpityasya	nāpityayoḥ	nāpityānām
Locative	nāpitye	nāpityayoḥ	nāpityeṣu

Compound nāpitya -

Adverb -nāpityam -nāpityāt