Declension table of ?upapakṣa

Masculine	Singular	Dual	Plural
Nominative	upapakṣaḥ	upapakṣau	upapakṣāḥ
Vocative	upapakṣa	upapakṣau	upapakṣāḥ
Accusative	upapakṣam	upapakṣau	upapakṣān
Instrumental	upapakṣeṇa	upapakṣābhyām	upapakṣaiḥ upapakṣebhiḥ
Dative	upapakṣāya	upapakṣābhyām	upapakṣebhyaḥ
Ablative	upapakṣāt	upapakṣābhyām	upapakṣebhyaḥ
Genitive	upapakṣasya	upapakṣayoḥ	upapakṣāṇām
Locative	upapakṣe	upapakṣayoḥ	upapakṣeṣu

Compound upapakṣa -

Adverb -upapakṣam -upapakṣāt