Declension table of ?āścaryatva

Neuter	Singular	Dual	Plural
Nominative	āścaryatvam	āścaryatve	āścaryatvāni
Vocative	āścaryatva	āścaryatve	āścaryatvāni
Accusative	āścaryatvam	āścaryatve	āścaryatvāni
Instrumental	āścaryatvena	āścaryatvābhyām	āścaryatvaiḥ
Dative	āścaryatvāya	āścaryatvābhyām	āścaryatvebhyaḥ
Ablative	āścaryatvāt	āścaryatvābhyām	āścaryatvebhyaḥ
Genitive	āścaryatvasya	āścaryatvayoḥ	āścaryatvānām
Locative	āścaryatve	āścaryatvayoḥ	āścaryatveṣu

Compound āścaryatva -

Adverb -āścaryatvam -āścaryatvāt