Declension table of ?vṛṇāna

Neuter	Singular	Dual	Plural
Nominative	vṛṇānam	vṛṇāne	vṛṇānāni
Vocative	vṛṇāna	vṛṇāne	vṛṇānāni
Accusative	vṛṇānam	vṛṇāne	vṛṇānāni
Instrumental	vṛṇānena	vṛṇānābhyām	vṛṇānaiḥ
Dative	vṛṇānāya	vṛṇānābhyām	vṛṇānebhyaḥ
Ablative	vṛṇānāt	vṛṇānābhyām	vṛṇānebhyaḥ
Genitive	vṛṇānasya	vṛṇānayoḥ	vṛṇānānām
Locative	vṛṇāne	vṛṇānayoḥ	vṛṇāneṣu

Compound vṛṇāna -

Adverb -vṛṇānam -vṛṇānāt