Declension table of ?mahāmatta

Masculine	Singular	Dual	Plural
Nominative	mahāmattaḥ	mahāmattau	mahāmattāḥ
Vocative	mahāmatta	mahāmattau	mahāmattāḥ
Accusative	mahāmattam	mahāmattau	mahāmattān
Instrumental	mahāmattena	mahāmattābhyām	mahāmattaiḥ mahāmattebhiḥ
Dative	mahāmattāya	mahāmattābhyām	mahāmattebhyaḥ
Ablative	mahāmattāt	mahāmattābhyām	mahāmattebhyaḥ
Genitive	mahāmattasya	mahāmattayoḥ	mahāmattānām
Locative	mahāmatte	mahāmattayoḥ	mahāmatteṣu

Compound mahāmatta -

Adverb -mahāmattam -mahāmattāt