Declension table of ?ratnāṅka

Masculine	Singular	Dual	Plural
Nominative	ratnāṅkaḥ	ratnāṅkau	ratnāṅkāḥ
Vocative	ratnāṅka	ratnāṅkau	ratnāṅkāḥ
Accusative	ratnāṅkam	ratnāṅkau	ratnāṅkān
Instrumental	ratnāṅkena	ratnāṅkābhyām	ratnāṅkaiḥ ratnāṅkebhiḥ
Dative	ratnāṅkāya	ratnāṅkābhyām	ratnāṅkebhyaḥ
Ablative	ratnāṅkāt	ratnāṅkābhyām	ratnāṅkebhyaḥ
Genitive	ratnāṅkasya	ratnāṅkayoḥ	ratnāṅkānām
Locative	ratnāṅke	ratnāṅkayoḥ	ratnāṅkeṣu

Compound ratnāṅka -

Adverb -ratnāṅkam -ratnāṅkāt