Declension table of ?sumānin

Masculine	Singular	Dual	Plural
Nominative	sumānī	sumāninau	sumāninaḥ
Vocative	sumānin	sumāninau	sumāninaḥ
Accusative	sumāninam	sumāninau	sumāninaḥ
Instrumental	sumāninā	sumānibhyām	sumānibhiḥ
Dative	sumānine	sumānibhyām	sumānibhyaḥ
Ablative	sumāninaḥ	sumānibhyām	sumānibhyaḥ
Genitive	sumāninaḥ	sumāninoḥ	sumāninām
Locative	sumānini	sumāninoḥ	sumāniṣu

Compound sumāni -

Adverb -sumāni