Declension table of ?sumahāvrata

Masculine	Singular	Dual	Plural
Nominative	sumahāvrataḥ	sumahāvratau	sumahāvratāḥ
Vocative	sumahāvrata	sumahāvratau	sumahāvratāḥ
Accusative	sumahāvratam	sumahāvratau	sumahāvratān
Instrumental	sumahāvratena	sumahāvratābhyām	sumahāvrataiḥ sumahāvratebhiḥ
Dative	sumahāvratāya	sumahāvratābhyām	sumahāvratebhyaḥ
Ablative	sumahāvratāt	sumahāvratābhyām	sumahāvratebhyaḥ
Genitive	sumahāvratasya	sumahāvratayoḥ	sumahāvratānām
Locative	sumahāvrate	sumahāvratayoḥ	sumahāvrateṣu

Compound sumahāvrata -

Adverb -sumahāvratam -sumahāvratāt