Declension table of ?ubdha

Neuter	Singular	Dual	Plural
Nominative	ubdham	ubdhe	ubdhāni
Vocative	ubdha	ubdhe	ubdhāni
Accusative	ubdham	ubdhe	ubdhāni
Instrumental	ubdhena	ubdhābhyām	ubdhaiḥ
Dative	ubdhāya	ubdhābhyām	ubdhebhyaḥ
Ablative	ubdhāt	ubdhābhyām	ubdhebhyaḥ
Genitive	ubdhasya	ubdhayoḥ	ubdhānām
Locative	ubdhe	ubdhayoḥ	ubdheṣu

Compound ubdha -

Adverb -ubdham -ubdhāt