Declension table of ?upaviṃśa

Masculine	Singular	Dual	Plural
Nominative	upaviṃśaḥ	upaviṃśau	upaviṃśāḥ
Vocative	upaviṃśa	upaviṃśau	upaviṃśāḥ
Accusative	upaviṃśam	upaviṃśau	upaviṃśān
Instrumental	upaviṃśena	upaviṃśābhyām	upaviṃśaiḥ upaviṃśebhiḥ
Dative	upaviṃśāya	upaviṃśābhyām	upaviṃśebhyaḥ
Ablative	upaviṃśāt	upaviṃśābhyām	upaviṃśebhyaḥ
Genitive	upaviṃśasya	upaviṃśayoḥ	upaviṃśānām
Locative	upaviṃśe	upaviṃśayoḥ	upaviṃśeṣu

Compound upaviṃśa -

Adverb -upaviṃśam -upaviṃśāt