Declension table of sūma

Masculine	Singular	Dual	Plural
Nominative	sūmaḥ	sūmau	sūmāḥ
Vocative	sūma	sūmau	sūmāḥ
Accusative	sūmam	sūmau	sūmān
Instrumental	sūmena	sūmābhyām	sūmaiḥ sūmebhiḥ
Dative	sūmāya	sūmābhyām	sūmebhyaḥ
Ablative	sūmāt	sūmābhyām	sūmebhyaḥ
Genitive	sūmasya	sūmayoḥ	sūmānām
Locative	sūme	sūmayoḥ	sūmeṣu

Compound sūma -

Adverb -sūmam -sūmāt