Declension table of ?samupanayana

Neuter	Singular	Dual	Plural
Nominative	samupanayanam	samupanayane	samupanayanāni
Vocative	samupanayana	samupanayane	samupanayanāni
Accusative	samupanayanam	samupanayane	samupanayanāni
Instrumental	samupanayanena	samupanayanābhyām	samupanayanaiḥ
Dative	samupanayanāya	samupanayanābhyām	samupanayanebhyaḥ
Ablative	samupanayanāt	samupanayanābhyām	samupanayanebhyaḥ
Genitive	samupanayanasya	samupanayanayoḥ	samupanayanānām
Locative	samupanayane	samupanayanayoḥ	samupanayaneṣu

Compound samupanayana -

Adverb -samupanayanam -samupanayanāt