Declension table of ?duravāpa

Neuter	Singular	Dual	Plural
Nominative	duravāpam	duravāpe	duravāpāṇi
Vocative	duravāpa	duravāpe	duravāpāṇi
Accusative	duravāpam	duravāpe	duravāpāṇi
Instrumental	duravāpeṇa	duravāpābhyām	duravāpaiḥ
Dative	duravāpāya	duravāpābhyām	duravāpebhyaḥ
Ablative	duravāpāt	duravāpābhyām	duravāpebhyaḥ
Genitive	duravāpasya	duravāpayoḥ	duravāpāṇām
Locative	duravāpe	duravāpayoḥ	duravāpeṣu

Compound duravāpa -

Adverb -duravāpam -duravāpāt