Declension table of ?jalakumbha

Masculine	Singular	Dual	Plural
Nominative	jalakumbhaḥ	jalakumbhau	jalakumbhāḥ
Vocative	jalakumbha	jalakumbhau	jalakumbhāḥ
Accusative	jalakumbham	jalakumbhau	jalakumbhān
Instrumental	jalakumbhena	jalakumbhābhyām	jalakumbhaiḥ jalakumbhebhiḥ
Dative	jalakumbhāya	jalakumbhābhyām	jalakumbhebhyaḥ
Ablative	jalakumbhāt	jalakumbhābhyām	jalakumbhebhyaḥ
Genitive	jalakumbhasya	jalakumbhayoḥ	jalakumbhānām
Locative	jalakumbhe	jalakumbhayoḥ	jalakumbheṣu

Compound jalakumbha -

Adverb -jalakumbham -jalakumbhāt