Declension table of ?dvivaktra

Neuter	Singular	Dual	Plural
Nominative	dvivaktram	dvivaktre	dvivaktrāṇi
Vocative	dvivaktra	dvivaktre	dvivaktrāṇi
Accusative	dvivaktram	dvivaktre	dvivaktrāṇi
Instrumental	dvivaktreṇa	dvivaktrābhyām	dvivaktraiḥ
Dative	dvivaktrāya	dvivaktrābhyām	dvivaktrebhyaḥ
Ablative	dvivaktrāt	dvivaktrābhyām	dvivaktrebhyaḥ
Genitive	dvivaktrasya	dvivaktrayoḥ	dvivaktrāṇām
Locative	dvivaktre	dvivaktrayoḥ	dvivaktreṣu

Compound dvivaktra -

Adverb -dvivaktram -dvivaktrāt