Declension table of ?riśya

Masculine	Singular	Dual	Plural
Nominative	riśyaḥ	riśyau	riśyāḥ
Vocative	riśya	riśyau	riśyāḥ
Accusative	riśyam	riśyau	riśyān
Instrumental	riśyena	riśyābhyām	riśyaiḥ riśyebhiḥ
Dative	riśyāya	riśyābhyām	riśyebhyaḥ
Ablative	riśyāt	riśyābhyām	riśyebhyaḥ
Genitive	riśyasya	riśyayoḥ	riśyānām
Locative	riśye	riśyayoḥ	riśyeṣu

Compound riśya -

Adverb -riśyam -riśyāt