Declension table of ?duravacchada

Masculine	Singular	Dual	Plural
Nominative	duravacchadaḥ	duravacchadau	duravacchadāḥ
Vocative	duravacchada	duravacchadau	duravacchadāḥ
Accusative	duravacchadam	duravacchadau	duravacchadān
Instrumental	duravacchadena	duravacchadābhyām	duravacchadaiḥ duravacchadebhiḥ
Dative	duravacchadāya	duravacchadābhyām	duravacchadebhyaḥ
Ablative	duravacchadāt	duravacchadābhyām	duravacchadebhyaḥ
Genitive	duravacchadasya	duravacchadayoḥ	duravacchadānām
Locative	duravacchade	duravacchadayoḥ	duravacchadeṣu

Compound duravacchada -

Adverb -duravacchadam -duravacchadāt