Declension table of ?sumārdava

Neuter	Singular	Dual	Plural
Nominative	sumārdavam	sumārdave	sumārdavāni
Vocative	sumārdava	sumārdave	sumārdavāni
Accusative	sumārdavam	sumārdave	sumārdavāni
Instrumental	sumārdavena	sumārdavābhyām	sumārdavaiḥ
Dative	sumārdavāya	sumārdavābhyām	sumārdavebhyaḥ
Ablative	sumārdavāt	sumārdavābhyām	sumārdavebhyaḥ
Genitive	sumārdavasya	sumārdavayoḥ	sumārdavānām
Locative	sumārdave	sumārdavayoḥ	sumārdaveṣu

Compound sumārdava -

Adverb -sumārdavam -sumārdavāt