Declension table of ?sumadana

Masculine	Singular	Dual	Plural
Nominative	sumadanaḥ	sumadanau	sumadanāḥ
Vocative	sumadana	sumadanau	sumadanāḥ
Accusative	sumadanam	sumadanau	sumadanān
Instrumental	sumadanena	sumadanābhyām	sumadanaiḥ sumadanebhiḥ
Dative	sumadanāya	sumadanābhyām	sumadanebhyaḥ
Ablative	sumadanāt	sumadanābhyām	sumadanebhyaḥ
Genitive	sumadanasya	sumadanayoḥ	sumadanānām
Locative	sumadane	sumadanayoḥ	sumadaneṣu

Compound sumadana -

Adverb -sumadanam -sumadanāt