Declension table of ?upānadyuga

Neuter	Singular	Dual	Plural
Nominative	upānadyugam	upānadyuge	upānadyugāni
Vocative	upānadyuga	upānadyuge	upānadyugāni
Accusative	upānadyugam	upānadyuge	upānadyugāni
Instrumental	upānadyugena	upānadyugābhyām	upānadyugaiḥ
Dative	upānadyugāya	upānadyugābhyām	upānadyugebhyaḥ
Ablative	upānadyugāt	upānadyugābhyām	upānadyugebhyaḥ
Genitive	upānadyugasya	upānadyugayoḥ	upānadyugānām
Locative	upānadyuge	upānadyugayoḥ	upānadyugeṣu

Compound upānadyuga -

Adverb -upānadyugam -upānadyugāt