Declension table of ?māṭṭavat

Masculine	Singular	Dual	Plural
Nominative	māṭṭavān	māṭṭavantau	māṭṭavantaḥ
Vocative	māṭṭavan	māṭṭavantau	māṭṭavantaḥ
Accusative	māṭṭavantam	māṭṭavantau	māṭṭavataḥ
Instrumental	māṭṭavatā	māṭṭavadbhyām	māṭṭavadbhiḥ
Dative	māṭṭavate	māṭṭavadbhyām	māṭṭavadbhyaḥ
Ablative	māṭṭavataḥ	māṭṭavadbhyām	māṭṭavadbhyaḥ
Genitive	māṭṭavataḥ	māṭṭavatoḥ	māṭṭavatām
Locative	māṭṭavati	māṭṭavatoḥ	māṭṭavatsu

Compound māṭṭavat -

Adverb -māṭṭavantam