Declension table of ?sāvayiṣyat

Masculine	Singular	Dual	Plural
Nominative	sāvayiṣyan	sāvayiṣyantau	sāvayiṣyantaḥ
Vocative	sāvayiṣyan	sāvayiṣyantau	sāvayiṣyantaḥ
Accusative	sāvayiṣyantam	sāvayiṣyantau	sāvayiṣyataḥ
Instrumental	sāvayiṣyatā	sāvayiṣyadbhyām	sāvayiṣyadbhiḥ
Dative	sāvayiṣyate	sāvayiṣyadbhyām	sāvayiṣyadbhyaḥ
Ablative	sāvayiṣyataḥ	sāvayiṣyadbhyām	sāvayiṣyadbhyaḥ
Genitive	sāvayiṣyataḥ	sāvayiṣyatoḥ	sāvayiṣyatām
Locative	sāvayiṣyati	sāvayiṣyatoḥ	sāvayiṣyatsu

Compound sāvayiṣyat -

Adverb -sāvayiṣyantam