Declension table of ?sumaṇi

Masculine	Singular	Dual	Plural
Nominative	sumaṇiḥ	sumaṇī	sumaṇayaḥ
Vocative	sumaṇe	sumaṇī	sumaṇayaḥ
Accusative	sumaṇim	sumaṇī	sumaṇīn
Instrumental	sumaṇinā	sumaṇibhyām	sumaṇibhiḥ
Dative	sumaṇaye	sumaṇibhyām	sumaṇibhyaḥ
Ablative	sumaṇeḥ	sumaṇibhyām	sumaṇibhyaḥ
Genitive	sumaṇeḥ	sumaṇyoḥ	sumaṇīnām
Locative	sumaṇau	sumaṇyoḥ	sumaṇiṣu

Compound sumaṇi -

Adverb -sumaṇi