Declension table of ?nirvāsana

Masculine	Singular	Dual	Plural
Nominative	nirvāsanaḥ	nirvāsanau	nirvāsanāḥ
Vocative	nirvāsana	nirvāsanau	nirvāsanāḥ
Accusative	nirvāsanam	nirvāsanau	nirvāsanān
Instrumental	nirvāsanena	nirvāsanābhyām	nirvāsanaiḥ nirvāsanebhiḥ
Dative	nirvāsanāya	nirvāsanābhyām	nirvāsanebhyaḥ
Ablative	nirvāsanāt	nirvāsanābhyām	nirvāsanebhyaḥ
Genitive	nirvāsanasya	nirvāsanayoḥ	nirvāsanānām
Locative	nirvāsane	nirvāsanayoḥ	nirvāsaneṣu

Compound nirvāsana -

Adverb -nirvāsanam -nirvāsanāt