Declension table of ?riṣīka

Neuter	Singular	Dual	Plural
Nominative	riṣīkam	riṣīke	riṣīkāṇi
Vocative	riṣīka	riṣīke	riṣīkāṇi
Accusative	riṣīkam	riṣīke	riṣīkāṇi
Instrumental	riṣīkeṇa	riṣīkābhyām	riṣīkaiḥ
Dative	riṣīkāya	riṣīkābhyām	riṣīkebhyaḥ
Ablative	riṣīkāt	riṣīkābhyām	riṣīkebhyaḥ
Genitive	riṣīkasya	riṣīkayoḥ	riṣīkāṇām
Locative	riṣīke	riṣīkayoḥ	riṣīkeṣu

Compound riṣīka -

Adverb -riṣīkam -riṣīkāt