Declension table of duruttara

Masculine	Singular	Dual	Plural
Nominative	duruttaraḥ	duruttarau	duruttarāḥ
Vocative	duruttara	duruttarau	duruttarāḥ
Accusative	duruttaram	duruttarau	duruttarān
Instrumental	duruttareṇa	duruttarābhyām	duruttaraiḥ duruttarebhiḥ
Dative	duruttarāya	duruttarābhyām	duruttarebhyaḥ
Ablative	duruttarāt	duruttarābhyām	duruttarebhyaḥ
Genitive	duruttarasya	duruttarayoḥ	duruttarāṇām
Locative	duruttare	duruttarayoḥ	duruttareṣu

Compound duruttara -

Adverb -duruttaram -duruttarāt