Declension table of ?vinighna

Neuter	Singular	Dual	Plural
Nominative	vinighnam	vinighne	vinighnāni
Vocative	vinighna	vinighne	vinighnāni
Accusative	vinighnam	vinighne	vinighnāni
Instrumental	vinighnena	vinighnābhyām	vinighnaiḥ
Dative	vinighnāya	vinighnābhyām	vinighnebhyaḥ
Ablative	vinighnāt	vinighnābhyām	vinighnebhyaḥ
Genitive	vinighnasya	vinighnayoḥ	vinighnānām
Locative	vinighne	vinighnayoḥ	vinighneṣu

Compound vinighna -

Adverb -vinighnam -vinighnāt