Declension table of ?sopanyāsa

Neuter	Singular	Dual	Plural
Nominative	sopanyāsam	sopanyāse	sopanyāsāni
Vocative	sopanyāsa	sopanyāse	sopanyāsāni
Accusative	sopanyāsam	sopanyāse	sopanyāsāni
Instrumental	sopanyāsena	sopanyāsābhyām	sopanyāsaiḥ
Dative	sopanyāsāya	sopanyāsābhyām	sopanyāsebhyaḥ
Ablative	sopanyāsāt	sopanyāsābhyām	sopanyāsebhyaḥ
Genitive	sopanyāsasya	sopanyāsayoḥ	sopanyāsānām
Locative	sopanyāse	sopanyāsayoḥ	sopanyāseṣu

Compound sopanyāsa -

Adverb -sopanyāsam -sopanyāsāt