Declension table of ?sumnayu

Neuter	Singular	Dual	Plural
Nominative	sumnayu	sumnayunī	sumnayūni
Vocative	sumnayu	sumnayunī	sumnayūni
Accusative	sumnayu	sumnayunī	sumnayūni
Instrumental	sumnayunā	sumnayubhyām	sumnayubhiḥ
Dative	sumnayune	sumnayubhyām	sumnayubhyaḥ
Ablative	sumnayunaḥ	sumnayubhyām	sumnayubhyaḥ
Genitive	sumnayunaḥ	sumnayunoḥ	sumnayūnām
Locative	sumnayuni	sumnayunoḥ	sumnayuṣu

Compound sumnayu -

Adverb -sumnayu