Declension table of ?vismitānana

Neuter	Singular	Dual	Plural
Nominative	vismitānanam	vismitānane	vismitānanāni
Vocative	vismitānana	vismitānane	vismitānanāni
Accusative	vismitānanam	vismitānane	vismitānanāni
Instrumental	vismitānanena	vismitānanābhyām	vismitānanaiḥ
Dative	vismitānanāya	vismitānanābhyām	vismitānanebhyaḥ
Ablative	vismitānanāt	vismitānanābhyām	vismitānanebhyaḥ
Genitive	vismitānanasya	vismitānanayoḥ	vismitānanānām
Locative	vismitānane	vismitānanayoḥ	vismitānaneṣu

Compound vismitānana -

Adverb -vismitānanam -vismitānanāt