Declension table of ?pitṛpitṛ

Masculine	Singular	Dual	Plural
Nominative	pitṛpitā	pitṛpitārau	pitṛpitāraḥ
Vocative	pitṛpitaḥ	pitṛpitārau	pitṛpitāraḥ
Accusative	pitṛpitāram	pitṛpitārau	pitṛpitṝn
Instrumental	pitṛpitrā	pitṛpitṛbhyām	pitṛpitṛbhiḥ
Dative	pitṛpitre	pitṛpitṛbhyām	pitṛpitṛbhyaḥ
Ablative	pitṛpituḥ	pitṛpitṛbhyām	pitṛpitṛbhyaḥ
Genitive	pitṛpituḥ	pitṛpitroḥ	pitṛpitṝṇām
Locative	pitṛpitari	pitṛpitroḥ	pitṛpitṛṣu

Compound pitṛpitṛ -

Adverb -pitṛpitṛ