Declension table of ?vipavya

Masculine	Singular	Dual	Plural
Nominative	vipavyaḥ	vipavyau	vipavyāḥ
Vocative	vipavya	vipavyau	vipavyāḥ
Accusative	vipavyam	vipavyau	vipavyān
Instrumental	vipavyena	vipavyābhyām	vipavyaiḥ vipavyebhiḥ
Dative	vipavyāya	vipavyābhyām	vipavyebhyaḥ
Ablative	vipavyāt	vipavyābhyām	vipavyebhyaḥ
Genitive	vipavyasya	vipavyayoḥ	vipavyānām
Locative	vipavye	vipavyayoḥ	vipavyeṣu

Compound vipavya -

Adverb -vipavyam -vipavyāt