Declension table of ?vipuṃsaka

Masculine	Singular	Dual	Plural
Nominative	vipuṃsakaḥ	vipuṃsakau	vipuṃsakāḥ
Vocative	vipuṃsaka	vipuṃsakau	vipuṃsakāḥ
Accusative	vipuṃsakam	vipuṃsakau	vipuṃsakān
Instrumental	vipuṃsakena	vipuṃsakābhyām	vipuṃsakaiḥ vipuṃsakebhiḥ
Dative	vipuṃsakāya	vipuṃsakābhyām	vipuṃsakebhyaḥ
Ablative	vipuṃsakāt	vipuṃsakābhyām	vipuṃsakebhyaḥ
Genitive	vipuṃsakasya	vipuṃsakayoḥ	vipuṃsakānām
Locative	vipuṃsake	vipuṃsakayoḥ	vipuṃsakeṣu

Compound vipuṃsaka -

Adverb -vipuṃsakam -vipuṃsakāt