Declension table of ?vivāsana

Neuter	Singular	Dual	Plural
Nominative	vivāsanam	vivāsane	vivāsanāni
Vocative	vivāsana	vivāsane	vivāsanāni
Accusative	vivāsanam	vivāsane	vivāsanāni
Instrumental	vivāsanena	vivāsanābhyām	vivāsanaiḥ
Dative	vivāsanāya	vivāsanābhyām	vivāsanebhyaḥ
Ablative	vivāsanāt	vivāsanābhyām	vivāsanebhyaḥ
Genitive	vivāsanasya	vivāsanayoḥ	vivāsanānām
Locative	vivāsane	vivāsanayoḥ	vivāsaneṣu

Compound vivāsana -

Adverb -vivāsanam -vivāsanāt