Declension table of ?avataṃsaka

Neuter	Singular	Dual	Plural
Nominative	avataṃsakam	avataṃsake	avataṃsakāni
Vocative	avataṃsaka	avataṃsake	avataṃsakāni
Accusative	avataṃsakam	avataṃsake	avataṃsakāni
Instrumental	avataṃsakena	avataṃsakābhyām	avataṃsakaiḥ
Dative	avataṃsakāya	avataṃsakābhyām	avataṃsakebhyaḥ
Ablative	avataṃsakāt	avataṃsakābhyām	avataṃsakebhyaḥ
Genitive	avataṃsakasya	avataṃsakayoḥ	avataṃsakānām
Locative	avataṃsake	avataṃsakayoḥ	avataṃsakeṣu

Compound avataṃsaka -

Adverb -avataṃsakam -avataṃsakāt