Declension table of ?duranuga

Neuter	Singular	Dual	Plural
Nominative	duranugam	duranuge	duranugāni
Vocative	duranuga	duranuge	duranugāni
Accusative	duranugam	duranuge	duranugāni
Instrumental	duranugena	duranugābhyām	duranugaiḥ
Dative	duranugāya	duranugābhyām	duranugebhyaḥ
Ablative	duranugāt	duranugābhyām	duranugebhyaḥ
Genitive	duranugasya	duranugayoḥ	duranugānām
Locative	duranuge	duranugayoḥ	duranugeṣu

Compound duranuga -

Adverb -duranugam -duranugāt