Declension table of ?mahāniś

Feminine	Singular	Dual	Plural
Nominative	mahāniṭ	mahāniśau	mahāniśaḥ
Vocative	mahāniṭ	mahāniśau	mahāniśaḥ
Accusative	mahāniśam	mahāniśau	mahāniśaḥ
Instrumental	mahāniśā	mahāniḍbhyām	mahāniḍbhiḥ
Dative	mahāniśe	mahāniḍbhyām	mahāniḍbhyaḥ
Ablative	mahāniśaḥ	mahāniḍbhyām	mahāniḍbhyaḥ
Genitive	mahāniśaḥ	mahāniśoḥ	mahāniśām
Locative	mahāniśi	mahāniśoḥ	mahāniṭsu

Compound mahāniṭ -

Adverb -mahāniṭ