Declension table of vighna

Masculine	Singular	Dual	Plural
Nominative	vighnaḥ	vighnau	vighnāḥ
Vocative	vighna	vighnau	vighnāḥ
Accusative	vighnam	vighnau	vighnān
Instrumental	vighnena	vighnābhyām	vighnaiḥ vighnebhiḥ
Dative	vighnāya	vighnābhyām	vighnebhyaḥ
Ablative	vighnāt	vighnābhyām	vighnebhyaḥ
Genitive	vighnasya	vighnayoḥ	vighnānām
Locative	vighne	vighnayoḥ	vighneṣu

Compound vighna -

Adverb -vighnam -vighnāt