Declension table of ?sayiṣyat

Masculine	Singular	Dual	Plural
Nominative	sayiṣyan	sayiṣyantau	sayiṣyantaḥ
Vocative	sayiṣyan	sayiṣyantau	sayiṣyantaḥ
Accusative	sayiṣyantam	sayiṣyantau	sayiṣyataḥ
Instrumental	sayiṣyatā	sayiṣyadbhyām	sayiṣyadbhiḥ
Dative	sayiṣyate	sayiṣyadbhyām	sayiṣyadbhyaḥ
Ablative	sayiṣyataḥ	sayiṣyadbhyām	sayiṣyadbhyaḥ
Genitive	sayiṣyataḥ	sayiṣyatoḥ	sayiṣyatām
Locative	sayiṣyati	sayiṣyatoḥ	sayiṣyatsu

Compound sayiṣyat -

Adverb -sayiṣyantam