Declension table of ratna

Masculine	Singular	Dual	Plural
Nominative	ratnaḥ	ratnau	ratnāḥ
Vocative	ratna	ratnau	ratnāḥ
Accusative	ratnam	ratnau	ratnān
Instrumental	ratnena	ratnābhyām	ratnaiḥ ratnebhiḥ
Dative	ratnāya	ratnābhyām	ratnebhyaḥ
Ablative	ratnāt	ratnābhyām	ratnebhyaḥ
Genitive	ratnasya	ratnayoḥ	ratnānām
Locative	ratne	ratnayoḥ	ratneṣu

Compound ratna -

Adverb -ratnam -ratnāt