costumed vs dressed

costumed

adj
  • Wearing a costume; disguised. 

dressed

adj
  • Wearing a dress. 

  • Wearing clothes; attired (now often with qualifying word). 

  • Having been subjected to a preparatory process or treatment; treated, prepared. 

  • Prepared for eating, especially by the addition of specific condiments or dressing. 

How often have the words costumed and dressed occurred in a corpus of books? (source: Google Ngram Viewer )