Declension table of ?ratnamitra

Masculine	Singular	Dual	Plural
Nominative	ratnamitraḥ	ratnamitrau	ratnamitrāḥ
Vocative	ratnamitra	ratnamitrau	ratnamitrāḥ
Accusative	ratnamitram	ratnamitrau	ratnamitrān
Instrumental	ratnamitreṇa	ratnamitrābhyām	ratnamitraiḥ ratnamitrebhiḥ
Dative	ratnamitrāya	ratnamitrābhyām	ratnamitrebhyaḥ
Ablative	ratnamitrāt	ratnamitrābhyām	ratnamitrebhyaḥ
Genitive	ratnamitrasya	ratnamitrayoḥ	ratnamitrāṇām
Locative	ratnamitre	ratnamitrayoḥ	ratnamitreṣu

Compound ratnamitra -

Adverb -ratnamitram -ratnamitrāt