Declension table of ?sumara

Masculine	Singular	Dual	Plural
Nominative	sumaraḥ	sumarau	sumarāḥ
Vocative	sumara	sumarau	sumarāḥ
Accusative	sumaram	sumarau	sumarān
Instrumental	sumareṇa	sumarābhyām	sumaraiḥ sumarebhiḥ
Dative	sumarāya	sumarābhyām	sumarebhyaḥ
Ablative	sumarāt	sumarābhyām	sumarebhyaḥ
Genitive	sumarasya	sumarayoḥ	sumarāṇām
Locative	sumare	sumarayoḥ	sumareṣu

Compound sumara -

Adverb -sumaram -sumarāt