Declension table of ?ṛṣīka

Masculine	Singular	Dual	Plural
Nominative	ṛṣīkaḥ	ṛṣīkau	ṛṣīkāḥ
Vocative	ṛṣīka	ṛṣīkau	ṛṣīkāḥ
Accusative	ṛṣīkam	ṛṣīkau	ṛṣīkān
Instrumental	ṛṣīkeṇa	ṛṣīkābhyām	ṛṣīkaiḥ ṛṣīkebhiḥ
Dative	ṛṣīkāya	ṛṣīkābhyām	ṛṣīkebhyaḥ
Ablative	ṛṣīkāt	ṛṣīkābhyām	ṛṣīkebhyaḥ
Genitive	ṛṣīkasya	ṛṣīkayoḥ	ṛṣīkāṇām
Locative	ṛṣīke	ṛṣīkayoḥ	ṛṣīkeṣu

Compound ṛṣīka -

Adverb -ṛṣīkam -ṛṣīkāt