Declension table of ?riṇvat

Masculine	Singular	Dual	Plural
Nominative	riṇvan	riṇvantau	riṇvantaḥ
Vocative	riṇvan	riṇvantau	riṇvantaḥ
Accusative	riṇvantam	riṇvantau	riṇvataḥ
Instrumental	riṇvatā	riṇvadbhyām	riṇvadbhiḥ
Dative	riṇvate	riṇvadbhyām	riṇvadbhyaḥ
Ablative	riṇvataḥ	riṇvadbhyām	riṇvadbhyaḥ
Genitive	riṇvataḥ	riṇvatoḥ	riṇvatām
Locative	riṇvati	riṇvatoḥ	riṇvatsu

Compound riṇvat -

Adverb -riṇvantam