Declension table of ?varṣavasana

Neuter	Singular	Dual	Plural
Nominative	varṣavasanam	varṣavasane	varṣavasanāni
Vocative	varṣavasana	varṣavasane	varṣavasanāni
Accusative	varṣavasanam	varṣavasane	varṣavasanāni
Instrumental	varṣavasanena	varṣavasanābhyām	varṣavasanaiḥ
Dative	varṣavasanāya	varṣavasanābhyām	varṣavasanebhyaḥ
Ablative	varṣavasanāt	varṣavasanābhyām	varṣavasanebhyaḥ
Genitive	varṣavasanasya	varṣavasanayoḥ	varṣavasanānām
Locative	varṣavasane	varṣavasanayoḥ	varṣavasaneṣu

Compound varṣavasana -

Adverb -varṣavasanam -varṣavasanāt