Declension table of ?kūma

Neuter	Singular	Dual	Plural
Nominative	kūmam	kūme	kūmāni
Vocative	kūma	kūme	kūmāni
Accusative	kūmam	kūme	kūmāni
Instrumental	kūmena	kūmābhyām	kūmaiḥ
Dative	kūmāya	kūmābhyām	kūmebhyaḥ
Ablative	kūmāt	kūmābhyām	kūmebhyaḥ
Genitive	kūmasya	kūmayoḥ	kūmānām
Locative	kūme	kūmayoḥ	kūmeṣu

Compound kūma -

Adverb -kūmam -kūmāt