Declension table of ?vismayakara

Neuter	Singular	Dual	Plural
Nominative	vismayakaram	vismayakare	vismayakarāṇi
Vocative	vismayakara	vismayakare	vismayakarāṇi
Accusative	vismayakaram	vismayakare	vismayakarāṇi
Instrumental	vismayakareṇa	vismayakarābhyām	vismayakaraiḥ
Dative	vismayakarāya	vismayakarābhyām	vismayakarebhyaḥ
Ablative	vismayakarāt	vismayakarābhyām	vismayakarebhyaḥ
Genitive	vismayakarasya	vismayakarayoḥ	vismayakarāṇām
Locative	vismayakare	vismayakarayoḥ	vismayakareṣu

Compound vismayakara -

Adverb -vismayakaram -vismayakarāt