Declension table of ?rīra

Masculine	Singular	Dual	Plural
Nominative	rīraḥ	rīrau	rīrāḥ
Vocative	rīra	rīrau	rīrāḥ
Accusative	rīram	rīrau	rīrān
Instrumental	rīreṇa	rīrābhyām	rīraiḥ rīrebhiḥ
Dative	rīrāya	rīrābhyām	rīrebhyaḥ
Ablative	rīrāt	rīrābhyām	rīrebhyaḥ
Genitive	rīrasya	rīrayoḥ	rīrāṇām
Locative	rīre	rīrayoḥ	rīreṣu

Compound rīra -

Adverb -rīram -rīrāt