Declension table of ?payiṣyat

Masculine	Singular	Dual	Plural
Nominative	payiṣyan	payiṣyantau	payiṣyantaḥ
Vocative	payiṣyan	payiṣyantau	payiṣyantaḥ
Accusative	payiṣyantam	payiṣyantau	payiṣyataḥ
Instrumental	payiṣyatā	payiṣyadbhyām	payiṣyadbhiḥ
Dative	payiṣyate	payiṣyadbhyām	payiṣyadbhyaḥ
Ablative	payiṣyataḥ	payiṣyadbhyām	payiṣyadbhyaḥ
Genitive	payiṣyataḥ	payiṣyatoḥ	payiṣyatām
Locative	payiṣyati	payiṣyatoḥ	payiṣyatsu

Compound payiṣyat -

Adverb -payiṣyantam