Declension table of ?vivasana

Masculine	Singular	Dual	Plural
Nominative	vivasanaḥ	vivasanau	vivasanāḥ
Vocative	vivasana	vivasanau	vivasanāḥ
Accusative	vivasanam	vivasanau	vivasanān
Instrumental	vivasanena	vivasanābhyām	vivasanaiḥ vivasanebhiḥ
Dative	vivasanāya	vivasanābhyām	vivasanebhyaḥ
Ablative	vivasanāt	vivasanābhyām	vivasanebhyaḥ
Genitive	vivasanasya	vivasanayoḥ	vivasanānām
Locative	vivasane	vivasanayoḥ	vivasaneṣu

Compound vivasana -

Adverb -vivasanam -vivasanāt