Declension table of ṛṇa

Masculine	Singular	Dual	Plural
Nominative	ṛṇaḥ	ṛṇau	ṛṇāḥ
Vocative	ṛṇa	ṛṇau	ṛṇāḥ
Accusative	ṛṇam	ṛṇau	ṛṇān
Instrumental	ṛṇena	ṛṇābhyām	ṛṇaiḥ ṛṇebhiḥ
Dative	ṛṇāya	ṛṇābhyām	ṛṇebhyaḥ
Ablative	ṛṇāt	ṛṇābhyām	ṛṇebhyaḥ
Genitive	ṛṇasya	ṛṇayoḥ	ṛṇānām
Locative	ṛṇe	ṛṇayoḥ	ṛṇeṣu

Compound ṛṇa -

Adverb -ṛṇam -ṛṇāt