Declension table of ?vibhānu

Neuter	Singular	Dual	Plural
Nominative	vibhānu	vibhānunī	vibhānūni
Vocative	vibhānu	vibhānunī	vibhānūni
Accusative	vibhānu	vibhānunī	vibhānūni
Instrumental	vibhānunā	vibhānubhyām	vibhānubhiḥ
Dative	vibhānune	vibhānubhyām	vibhānubhyaḥ
Ablative	vibhānunaḥ	vibhānubhyām	vibhānubhyaḥ
Genitive	vibhānunaḥ	vibhānunoḥ	vibhānūnām
Locative	vibhānuni	vibhānunoḥ	vibhānuṣu

Compound vibhānu -

Adverb -vibhānu