Declension table of ?sayāvan

Masculine	Singular	Dual	Plural
Nominative	sayāvā	sayāvānau	sayāvānaḥ
Vocative	sayāvan	sayāvānau	sayāvānaḥ
Accusative	sayāvānam	sayāvānau	sayāvnaḥ
Instrumental	sayāvnā	sayāvabhyām	sayāvabhiḥ
Dative	sayāvne	sayāvabhyām	sayāvabhyaḥ
Ablative	sayāvnaḥ	sayāvabhyām	sayāvabhyaḥ
Genitive	sayāvnaḥ	sayāvnoḥ	sayāvnām
Locative	sayāvni sayāvani	sayāvnoḥ	sayāvasu

Compound sayāva -

Adverb -sayāvam