Declension table of ?vasana

Neuter	Singular	Dual	Plural
Nominative	vasanam	vasane	vasanāni
Vocative	vasana	vasane	vasanāni
Accusative	vasanam	vasane	vasanāni
Instrumental	vasanena	vasanābhyām	vasanaiḥ
Dative	vasanāya	vasanābhyām	vasanebhyaḥ
Ablative	vasanāt	vasanābhyām	vasanebhyaḥ
Genitive	vasanasya	vasanayoḥ	vasanānām
Locative	vasane	vasanayoḥ	vasaneṣu

Compound vasana -

Adverb -vasanam -vasanāt