Declension table of ?sumeka

Neuter	Singular	Dual	Plural
Nominative	sumekam	sumeke	sumekāni
Vocative	sumeka	sumeke	sumekāni
Accusative	sumekam	sumeke	sumekāni
Instrumental	sumekena	sumekābhyām	sumekaiḥ
Dative	sumekāya	sumekābhyām	sumekebhyaḥ
Ablative	sumekāt	sumekābhyām	sumekebhyaḥ
Genitive	sumekasya	sumekayoḥ	sumekānām
Locative	sumeke	sumekayoḥ	sumekeṣu

Compound sumeka -

Adverb -sumekam -sumekāt