Declension table of ?samaratha

Masculine	Singular	Dual	Plural
Nominative	samarathaḥ	samarathau	samarathāḥ
Vocative	samaratha	samarathau	samarathāḥ
Accusative	samaratham	samarathau	samarathān
Instrumental	samarathena	samarathābhyām	samarathaiḥ samarathebhiḥ
Dative	samarathāya	samarathābhyām	samarathebhyaḥ
Ablative	samarathāt	samarathābhyām	samarathebhyaḥ
Genitive	samarathasya	samarathayoḥ	samarathānām
Locative	samarathe	samarathayoḥ	samaratheṣu

Compound samaratha -

Adverb -samaratham -samarathāt