Declension table of ?tubdha

Neuter	Singular	Dual	Plural
Nominative	tubdham	tubdhe	tubdhāni
Vocative	tubdha	tubdhe	tubdhāni
Accusative	tubdham	tubdhe	tubdhāni
Instrumental	tubdhena	tubdhābhyām	tubdhaiḥ
Dative	tubdhāya	tubdhābhyām	tubdhebhyaḥ
Ablative	tubdhāt	tubdhābhyām	tubdhebhyaḥ
Genitive	tubdhasya	tubdhayoḥ	tubdhānām
Locative	tubdhe	tubdhayoḥ	tubdheṣu

Compound tubdha -

Adverb -tubdham -tubdhāt