Declension table of udakumbha

Masculine	Singular	Dual	Plural
Nominative	udakumbhaḥ	udakumbhau	udakumbhāḥ
Vocative	udakumbha	udakumbhau	udakumbhāḥ
Accusative	udakumbham	udakumbhau	udakumbhān
Instrumental	udakumbhena	udakumbhābhyām	udakumbhaiḥ udakumbhebhiḥ
Dative	udakumbhāya	udakumbhābhyām	udakumbhebhyaḥ
Ablative	udakumbhāt	udakumbhābhyām	udakumbhebhyaḥ
Genitive	udakumbhasya	udakumbhayoḥ	udakumbhānām
Locative	udakumbhe	udakumbhayoḥ	udakumbheṣu

Compound udakumbha -

Adverb -udakumbham -udakumbhāt