Declension table of anvāsana

Neuter	Singular	Dual	Plural
Nominative	anvāsanam	anvāsane	anvāsanāni
Vocative	anvāsana	anvāsane	anvāsanāni
Accusative	anvāsanam	anvāsane	anvāsanāni
Instrumental	anvāsanena	anvāsanābhyām	anvāsanaiḥ
Dative	anvāsanāya	anvāsanābhyām	anvāsanebhyaḥ
Ablative	anvāsanāt	anvāsanābhyām	anvāsanebhyaḥ
Genitive	anvāsanasya	anvāsanayoḥ	anvāsanānām
Locative	anvāsane	anvāsanayoḥ	anvāsaneṣu

Compound anvāsana -

Adverb -anvāsanam -anvāsanāt