Declension table of ?ribdha

Neuter	Singular	Dual	Plural
Nominative	ribdham	ribdhe	ribdhāni
Vocative	ribdha	ribdhe	ribdhāni
Accusative	ribdham	ribdhe	ribdhāni
Instrumental	ribdhena	ribdhābhyām	ribdhaiḥ
Dative	ribdhāya	ribdhābhyām	ribdhebhyaḥ
Ablative	ribdhāt	ribdhābhyām	ribdhebhyaḥ
Genitive	ribdhasya	ribdhayoḥ	ribdhānām
Locative	ribdhe	ribdhayoḥ	ribdheṣu

Compound ribdha -

Adverb -ribdham -ribdhāt