Declension table of ?samupaveśana

Neuter	Singular	Dual	Plural
Nominative	samupaveśanam	samupaveśane	samupaveśanāni
Vocative	samupaveśana	samupaveśane	samupaveśanāni
Accusative	samupaveśanam	samupaveśane	samupaveśanāni
Instrumental	samupaveśanena	samupaveśanābhyām	samupaveśanaiḥ
Dative	samupaveśanāya	samupaveśanābhyām	samupaveśanebhyaḥ
Ablative	samupaveśanāt	samupaveśanābhyām	samupaveśanebhyaḥ
Genitive	samupaveśanasya	samupaveśanayoḥ	samupaveśanānām
Locative	samupaveśane	samupaveśanayoḥ	samupaveśaneṣu

Compound samupaveśana -

Adverb -samupaveśanam -samupaveśanāt