Declension table of ?śailāsana

Neuter	Singular	Dual	Plural
Nominative	śailāsanam	śailāsane	śailāsanāni
Vocative	śailāsana	śailāsane	śailāsanāni
Accusative	śailāsanam	śailāsane	śailāsanāni
Instrumental	śailāsanena	śailāsanābhyām	śailāsanaiḥ
Dative	śailāsanāya	śailāsanābhyām	śailāsanebhyaḥ
Ablative	śailāsanāt	śailāsanābhyām	śailāsanebhyaḥ
Genitive	śailāsanasya	śailāsanayoḥ	śailāsanānām
Locative	śailāsane	śailāsanayoḥ	śailāsaneṣu

Compound śailāsana -

Adverb -śailāsanam -śailāsanāt