Declension table of ?samupaveśa

Masculine	Singular	Dual	Plural
Nominative	samupaveśaḥ	samupaveśau	samupaveśāḥ
Vocative	samupaveśa	samupaveśau	samupaveśāḥ
Accusative	samupaveśam	samupaveśau	samupaveśān
Instrumental	samupaveśena	samupaveśābhyām	samupaveśaiḥ samupaveśebhiḥ
Dative	samupaveśāya	samupaveśābhyām	samupaveśebhyaḥ
Ablative	samupaveśāt	samupaveśābhyām	samupaveśebhyaḥ
Genitive	samupaveśasya	samupaveśayoḥ	samupaveśānām
Locative	samupaveśe	samupaveśayoḥ	samupaveśeṣu

Compound samupaveśa -

Adverb -samupaveśam -samupaveśāt