Declension table of ?duravacchada

Neuter	Singular	Dual	Plural
Nominative	duravacchadam	duravacchade	duravacchadāni
Vocative	duravacchada	duravacchade	duravacchadāni
Accusative	duravacchadam	duravacchade	duravacchadāni
Instrumental	duravacchadena	duravacchadābhyām	duravacchadaiḥ
Dative	duravacchadāya	duravacchadābhyām	duravacchadebhyaḥ
Ablative	duravacchadāt	duravacchadābhyām	duravacchadebhyaḥ
Genitive	duravacchadasya	duravacchadayoḥ	duravacchadānām
Locative	duravacchade	duravacchadayoḥ	duravacchadeṣu

Compound duravacchada -

Adverb -duravacchadam -duravacchadāt