Declension table of ?nāpitya

Neuter	Singular	Dual	Plural
Nominative	nāpityam	nāpitye	nāpityāni
Vocative	nāpitya	nāpitye	nāpityāni
Accusative	nāpityam	nāpitye	nāpityāni
Instrumental	nāpityena	nāpityābhyām	nāpityaiḥ
Dative	nāpityāya	nāpityābhyām	nāpityebhyaḥ
Ablative	nāpityāt	nāpityābhyām	nāpityebhyaḥ
Genitive	nāpityasya	nāpityayoḥ	nāpityānām
Locative	nāpitye	nāpityayoḥ	nāpityeṣu

Compound nāpitya -

Adverb -nāpityam -nāpityāt