Declension table of ?nigha

Masculine	Singular	Dual	Plural
Nominative	nighaḥ	nighau	nighāḥ
Vocative	nigha	nighau	nighāḥ
Accusative	nigham	nighau	nighān
Instrumental	nighena	nighābhyām	nighaiḥ nighebhiḥ
Dative	nighāya	nighābhyām	nighebhyaḥ
Ablative	nighāt	nighābhyām	nighebhyaḥ
Genitive	nighasya	nighayoḥ	nighānām
Locative	nighe	nighayoḥ	nigheṣu

Compound nigha -

Adverb -nigham -nighāt