Declension table of ?ratisundara

Masculine	Singular	Dual	Plural
Nominative	ratisundaraḥ	ratisundarau	ratisundarāḥ
Vocative	ratisundara	ratisundarau	ratisundarāḥ
Accusative	ratisundaram	ratisundarau	ratisundarān
Instrumental	ratisundareṇa	ratisundarābhyām	ratisundaraiḥ ratisundarebhiḥ
Dative	ratisundarāya	ratisundarābhyām	ratisundarebhyaḥ
Ablative	ratisundarāt	ratisundarābhyām	ratisundarebhyaḥ
Genitive	ratisundarasya	ratisundarayoḥ	ratisundarāṇām
Locative	ratisundare	ratisundarayoḥ	ratisundareṣu

Compound ratisundara -

Adverb -ratisundaram -ratisundarāt