Declension table of ?śailāsana

Masculine	Singular	Dual	Plural
Nominative	śailāsanaḥ	śailāsanau	śailāsanāḥ
Vocative	śailāsana	śailāsanau	śailāsanāḥ
Accusative	śailāsanam	śailāsanau	śailāsanān
Instrumental	śailāsanena	śailāsanābhyām	śailāsanaiḥ śailāsanebhiḥ
Dative	śailāsanāya	śailāsanābhyām	śailāsanebhyaḥ
Ablative	śailāsanāt	śailāsanābhyām	śailāsanebhyaḥ
Genitive	śailāsanasya	śailāsanayoḥ	śailāsanānām
Locative	śailāsane	śailāsanayoḥ	śailāsaneṣu

Compound śailāsana -

Adverb -śailāsanam -śailāsanāt