Declension table of ?upāsaṅga

Masculine	Singular	Dual	Plural
Nominative	upāsaṅgaḥ	upāsaṅgau	upāsaṅgāḥ
Vocative	upāsaṅga	upāsaṅgau	upāsaṅgāḥ
Accusative	upāsaṅgam	upāsaṅgau	upāsaṅgān
Instrumental	upāsaṅgena	upāsaṅgābhyām	upāsaṅgaiḥ upāsaṅgebhiḥ
Dative	upāsaṅgāya	upāsaṅgābhyām	upāsaṅgebhyaḥ
Ablative	upāsaṅgāt	upāsaṅgābhyām	upāsaṅgebhyaḥ
Genitive	upāsaṅgasya	upāsaṅgayoḥ	upāsaṅgānām
Locative	upāsaṅge	upāsaṅgayoḥ	upāsaṅgeṣu

Compound upāsaṅga -

Adverb -upāsaṅgam -upāsaṅgāt