Declension table of ?pīpīvas

Neuter	Singular	Dual	Plural
Nominative	pīpīvat	pīpyuṣī	pīpīvāṃsi
Vocative	pīpīvat	pīpyuṣī	pīpīvāṃsi
Accusative	pīpīvat	pīpyuṣī	pīpīvāṃsi
Instrumental	pīpyuṣā	pīpīvadbhyām	pīpīvadbhiḥ
Dative	pīpyuṣe	pīpīvadbhyām	pīpīvadbhyaḥ
Ablative	pīpyuṣaḥ	pīpīvadbhyām	pīpīvadbhyaḥ
Genitive	pīpyuṣaḥ	pīpyuṣoḥ	pīpyuṣām
Locative	pīpyuṣi	pīpyuṣoḥ	pīpīvatsu

Compound pīpīvat -

Adverb -pīpīvat