Declension table of ?nigu

Neuter	Singular	Dual	Plural
Nominative	nigu	nigunī	nigūni
Vocative	nigu	nigunī	nigūni
Accusative	nigu	nigunī	nigūni
Instrumental	nigunā	nigubhyām	nigubhiḥ
Dative	nigune	nigubhyām	nigubhyaḥ
Ablative	nigunaḥ	nigubhyām	nigubhyaḥ
Genitive	nigunaḥ	nigunoḥ	nigūnām
Locative	niguni	nigunoḥ	niguṣu

Compound nigu -

Adverb -nigu