Declension table of ?sismayiṣyat

Masculine	Singular	Dual	Plural
Nominative	sismayiṣyan	sismayiṣyantau	sismayiṣyantaḥ
Vocative	sismayiṣyan	sismayiṣyantau	sismayiṣyantaḥ
Accusative	sismayiṣyantam	sismayiṣyantau	sismayiṣyataḥ
Instrumental	sismayiṣyatā	sismayiṣyadbhyām	sismayiṣyadbhiḥ
Dative	sismayiṣyate	sismayiṣyadbhyām	sismayiṣyadbhyaḥ
Ablative	sismayiṣyataḥ	sismayiṣyadbhyām	sismayiṣyadbhyaḥ
Genitive	sismayiṣyataḥ	sismayiṣyatoḥ	sismayiṣyatām
Locative	sismayiṣyati	sismayiṣyatoḥ	sismayiṣyatsu

Compound sismayiṣyat -

Adverb -sismayiṣyantam