Declension table of ?durvidvas

Masculine	Singular	Dual	Plural
Nominative	durvidvān	durvidvāṃsau	durvidvāṃsaḥ
Vocative	durvidvan	durvidvāṃsau	durvidvāṃsaḥ
Accusative	durvidvāṃsam	durvidvāṃsau	durviduṣaḥ
Instrumental	durviduṣā	durvidvadbhyām	durvidvadbhiḥ
Dative	durviduṣe	durvidvadbhyām	durvidvadbhyaḥ
Ablative	durviduṣaḥ	durvidvadbhyām	durvidvadbhyaḥ
Genitive	durviduṣaḥ	durviduṣoḥ	durviduṣām
Locative	durviduṣi	durviduṣoḥ	durvidvatsu

Compound durvidvat -

Adverb -durvidvas