Declension table of ?sopāsana

Neuter	Singular	Dual	Plural
Nominative	sopāsanam	sopāsane	sopāsanāni
Vocative	sopāsana	sopāsane	sopāsanāni
Accusative	sopāsanam	sopāsane	sopāsanāni
Instrumental	sopāsanena	sopāsanābhyām	sopāsanaiḥ
Dative	sopāsanāya	sopāsanābhyām	sopāsanebhyaḥ
Ablative	sopāsanāt	sopāsanābhyām	sopāsanebhyaḥ
Genitive	sopāsanasya	sopāsanayoḥ	sopāsanānām
Locative	sopāsane	sopāsanayoḥ	sopāsaneṣu

Compound sopāsana -

Adverb -sopāsanam -sopāsanāt