Declension table of ?niśitha

Masculine	Singular	Dual	Plural
Nominative	niśithaḥ	niśithau	niśithāḥ
Vocative	niśitha	niśithau	niśithāḥ
Accusative	niśitham	niśithau	niśithān
Instrumental	niśithena	niśithābhyām	niśithaiḥ niśithebhiḥ
Dative	niśithāya	niśithābhyām	niśithebhyaḥ
Ablative	niśithāt	niśithābhyām	niśithebhyaḥ
Genitive	niśithasya	niśithayoḥ	niśithānām
Locative	niśithe	niśithayoḥ	niśitheṣu

Compound niśitha -

Adverb -niśitham -niśithāt