Declension table of ?sayava

Masculine	Singular	Dual	Plural
Nominative	sayavaḥ	sayavau	sayavāḥ
Vocative	sayava	sayavau	sayavāḥ
Accusative	sayavam	sayavau	sayavān
Instrumental	sayavena	sayavābhyām	sayavaiḥ sayavebhiḥ
Dative	sayavāya	sayavābhyām	sayavebhyaḥ
Ablative	sayavāt	sayavābhyām	sayavebhyaḥ
Genitive	sayavasya	sayavayoḥ	sayavānām
Locative	sayave	sayavayoḥ	sayaveṣu

Compound sayava -

Adverb -sayavam -sayavāt