Declension table of ?samadhura

Masculine	Singular	Dual	Plural
Nominative	samadhuraḥ	samadhurau	samadhurāḥ
Vocative	samadhura	samadhurau	samadhurāḥ
Accusative	samadhuram	samadhurau	samadhurān
Instrumental	samadhureṇa	samadhurābhyām	samadhuraiḥ samadhurebhiḥ
Dative	samadhurāya	samadhurābhyām	samadhurebhyaḥ
Ablative	samadhurāt	samadhurābhyām	samadhurebhyaḥ
Genitive	samadhurasya	samadhurayoḥ	samadhurāṇām
Locative	samadhure	samadhurayoḥ	samadhureṣu

Compound samadhura -

Adverb -samadhuram -samadhurāt