Declension table of ?subdha

Neuter	Singular	Dual	Plural
Nominative	subdham	subdhe	subdhāni
Vocative	subdha	subdhe	subdhāni
Accusative	subdham	subdhe	subdhāni
Instrumental	subdhena	subdhābhyām	subdhaiḥ
Dative	subdhāya	subdhābhyām	subdhebhyaḥ
Ablative	subdhāt	subdhābhyām	subdhebhyaḥ
Genitive	subdhasya	subdhayoḥ	subdhānām
Locative	subdhe	subdhayoḥ	subdheṣu

Compound subdha -

Adverb -subdham -subdhāt