Declension table of ?riṣyat

Masculine	Singular	Dual	Plural
Nominative	riṣyan	riṣyantau	riṣyantaḥ
Vocative	riṣyan	riṣyantau	riṣyantaḥ
Accusative	riṣyantam	riṣyantau	riṣyataḥ
Instrumental	riṣyatā	riṣyadbhyām	riṣyadbhiḥ
Dative	riṣyate	riṣyadbhyām	riṣyadbhyaḥ
Ablative	riṣyataḥ	riṣyadbhyām	riṣyadbhyaḥ
Genitive	riṣyataḥ	riṣyatoḥ	riṣyatām
Locative	riṣyati	riṣyatoḥ	riṣyatsu

Compound riṣyat -

Adverb -riṣyantam