Declension table of ?mahāmātṛ

Feminine	Singular	Dual	Plural
Nominative	mahāmātā	mahāmātārau	mahāmātāraḥ
Vocative	mahāmātaḥ	mahāmātārau	mahāmātāraḥ
Accusative	mahāmātāram	mahāmātārau	mahāmātṝḥ
Instrumental	mahāmātrā	mahāmātṛbhyām	mahāmātṛbhiḥ
Dative	mahāmātre	mahāmātṛbhyām	mahāmātṛbhyaḥ
Ablative	mahāmātuḥ	mahāmātṛbhyām	mahāmātṛbhyaḥ
Genitive	mahāmātuḥ	mahāmātroḥ	mahāmātṝṇām
Locative	mahāmātari	mahāmātroḥ	mahāmātṛṣu

Compound mahāmātṛ -

Adverb -mahāmātṛ