Declension table of ?dviniṣka

Masculine	Singular	Dual	Plural
Nominative	dviniṣkaḥ	dviniṣkau	dviniṣkāḥ
Vocative	dviniṣka	dviniṣkau	dviniṣkāḥ
Accusative	dviniṣkam	dviniṣkau	dviniṣkān
Instrumental	dviniṣkeṇa	dviniṣkābhyām	dviniṣkaiḥ dviniṣkebhiḥ
Dative	dviniṣkāya	dviniṣkābhyām	dviniṣkebhyaḥ
Ablative	dviniṣkāt	dviniṣkābhyām	dviniṣkebhyaḥ
Genitive	dviniṣkasya	dviniṣkayoḥ	dviniṣkāṇām
Locative	dviniṣke	dviniṣkayoḥ	dviniṣkeṣu

Compound dviniṣka -

Adverb -dviniṣkam -dviniṣkāt