Declension table of ?syūma

Masculine	Singular	Dual	Plural
Nominative	syūmaḥ	syūmau	syūmāḥ
Vocative	syūma	syūmau	syūmāḥ
Accusative	syūmam	syūmau	syūmān
Instrumental	syūmena	syūmābhyām	syūmaiḥ syūmebhiḥ
Dative	syūmāya	syūmābhyām	syūmebhyaḥ
Ablative	syūmāt	syūmābhyām	syūmebhyaḥ
Genitive	syūmasya	syūmayoḥ	syūmānām
Locative	syūme	syūmayoḥ	syūmeṣu

Compound syūma -

Adverb -syūmam -syūmāt