Declension table of ?dadāna

Neuter	Singular	Dual	Plural
Nominative	dadānam	dadāne	dadānāni
Vocative	dadāna	dadāne	dadānāni
Accusative	dadānam	dadāne	dadānāni
Instrumental	dadānena	dadānābhyām	dadānaiḥ
Dative	dadānāya	dadānābhyām	dadānebhyaḥ
Ablative	dadānāt	dadānābhyām	dadānebhyaḥ
Genitive	dadānasya	dadānayoḥ	dadānānām
Locative	dadāne	dadānayoḥ	dadāneṣu

Compound dadāna -

Adverb -dadānam -dadānāt