Declension table of ?dvyavara

Masculine	Singular	Dual	Plural
Nominative	dvyavaraḥ	dvyavarau	dvyavarāḥ
Vocative	dvyavara	dvyavarau	dvyavarāḥ
Accusative	dvyavaram	dvyavarau	dvyavarān
Instrumental	dvyavareṇa	dvyavarābhyām	dvyavaraiḥ dvyavarebhiḥ
Dative	dvyavarāya	dvyavarābhyām	dvyavarebhyaḥ
Ablative	dvyavarāt	dvyavarābhyām	dvyavarebhyaḥ
Genitive	dvyavarasya	dvyavarayoḥ	dvyavarāṇām
Locative	dvyavare	dvyavarayoḥ	dvyavareṣu

Compound dvyavara -

Adverb -dvyavaram -dvyavarāt