Declension table of nighna

Neuter	Singular	Dual	Plural
Nominative	nighnam	nighne	nighnāni
Vocative	nighna	nighne	nighnāni
Accusative	nighnam	nighne	nighnāni
Instrumental	nighnena	nighnābhyām	nighnaiḥ
Dative	nighnāya	nighnābhyām	nighnebhyaḥ
Ablative	nighnāt	nighnābhyām	nighnebhyaḥ
Genitive	nighnasya	nighnayoḥ	nighnānām
Locative	nighne	nighnayoḥ	nighneṣu

Compound nighna -

Adverb -nighnam -nighnāt