Declension table of ?vavandāna

Neuter	Singular	Dual	Plural
Nominative	vavandānam	vavandāne	vavandānāni
Vocative	vavandāna	vavandāne	vavandānāni
Accusative	vavandānam	vavandāne	vavandānāni
Instrumental	vavandānena	vavandānābhyām	vavandānaiḥ
Dative	vavandānāya	vavandānābhyām	vavandānebhyaḥ
Ablative	vavandānāt	vavandānābhyām	vavandānebhyaḥ
Genitive	vavandānasya	vavandānayoḥ	vavandānānām
Locative	vavandāne	vavandānayoḥ	vavandāneṣu

Compound vavandāna -

Adverb -vavandānam -vavandānāt