Declension table of ?sayoni

Neuter	Singular	Dual	Plural
Nominative	sayoni	sayoninī	sayonīni
Vocative	sayoni	sayoninī	sayonīni
Accusative	sayoni	sayoninī	sayonīni
Instrumental	sayoninā	sayonibhyām	sayonibhiḥ
Dative	sayonine	sayonibhyām	sayonibhyaḥ
Ablative	sayoninaḥ	sayonibhyām	sayonibhyaḥ
Genitive	sayoninaḥ	sayoninoḥ	sayonīnām
Locative	sayonini	sayoninoḥ	sayoniṣu

Compound sayoni -

Adverb -sayoni