Declension table of ?ṛṇāvan

Neuter	Singular	Dual	Plural
Nominative	ṛṇāva	ṛṇāvnī ṛṇāvanī	ṛṇāvāni
Vocative	ṛṇāvan ṛṇāva	ṛṇāvnī ṛṇāvanī	ṛṇāvāni
Accusative	ṛṇāva	ṛṇāvnī ṛṇāvanī	ṛṇāvāni
Instrumental	ṛṇāvnā	ṛṇāvabhyām	ṛṇāvabhiḥ
Dative	ṛṇāvne	ṛṇāvabhyām	ṛṇāvabhyaḥ
Ablative	ṛṇāvnaḥ	ṛṇāvabhyām	ṛṇāvabhyaḥ
Genitive	ṛṇāvnaḥ	ṛṇāvnoḥ	ṛṇāvnām
Locative	ṛṇāvni ṛṇāvani	ṛṇāvnoḥ	ṛṇāvasu

Compound ṛṇāva -

Adverb -ṛṇāva -ṛṇāvam