Declension table of ?marṇiṣyat

Masculine	Singular	Dual	Plural
Nominative	marṇiṣyan	marṇiṣyantau	marṇiṣyantaḥ
Vocative	marṇiṣyan	marṇiṣyantau	marṇiṣyantaḥ
Accusative	marṇiṣyantam	marṇiṣyantau	marṇiṣyataḥ
Instrumental	marṇiṣyatā	marṇiṣyadbhyām	marṇiṣyadbhiḥ
Dative	marṇiṣyate	marṇiṣyadbhyām	marṇiṣyadbhyaḥ
Ablative	marṇiṣyataḥ	marṇiṣyadbhyām	marṇiṣyadbhyaḥ
Genitive	marṇiṣyataḥ	marṇiṣyatoḥ	marṇiṣyatām
Locative	marṇiṣyati	marṇiṣyatoḥ	marṇiṣyatsu

Compound marṇiṣyat -

Adverb -marṇiṣyantam