Declension table of ?upasoma

Masculine	Singular	Dual	Plural
Nominative	upasomaḥ	upasomau	upasomāḥ
Vocative	upasoma	upasomau	upasomāḥ
Accusative	upasomam	upasomau	upasomān
Instrumental	upasomena	upasomābhyām	upasomaiḥ upasomebhiḥ
Dative	upasomāya	upasomābhyām	upasomebhyaḥ
Ablative	upasomāt	upasomābhyām	upasomebhyaḥ
Genitive	upasomasya	upasomayoḥ	upasomānām
Locative	upasome	upasomayoḥ	upasomeṣu

Compound upasoma -

Adverb -upasomam -upasomāt