Declension table of ?vacasa

Masculine	Singular	Dual	Plural
Nominative	vacasaḥ	vacasau	vacasāḥ
Vocative	vacasa	vacasau	vacasāḥ
Accusative	vacasam	vacasau	vacasān
Instrumental	vacasena	vacasābhyām	vacasaiḥ vacasebhiḥ
Dative	vacasāya	vacasābhyām	vacasebhyaḥ
Ablative	vacasāt	vacasābhyām	vacasebhyaḥ
Genitive	vacasasya	vacasayoḥ	vacasānām
Locative	vacase	vacasayoḥ	vacaseṣu

Compound vacasa -

Adverb -vacasam -vacasāt