Declension table of ?tvatpitṛ

Feminine	Singular	Dual	Plural
Nominative	tvatpitā	tvatpitārau	tvatpitāraḥ
Vocative	tvatpitaḥ	tvatpitārau	tvatpitāraḥ
Accusative	tvatpitāram	tvatpitārau	tvatpitṝḥ
Instrumental	tvatpitrā	tvatpitṛbhyām	tvatpitṛbhiḥ
Dative	tvatpitre	tvatpitṛbhyām	tvatpitṛbhyaḥ
Ablative	tvatpituḥ	tvatpitṛbhyām	tvatpitṛbhyaḥ
Genitive	tvatpituḥ	tvatpitroḥ	tvatpitṝṇām
Locative	tvatpitari	tvatpitroḥ	tvatpitṛṣu

Compound tvatpitṛ -

Adverb -tvatpitṛ