costume vs fancify

costume

verb
  • To dress or adorn with a costume or appropriate garb. 

noun
  • A style of dress, including garments, accessories and hairstyle, especially as characteristic of a particular country, period or people. 

  • An outfit or a disguise worn as fancy dress etc. 

  • A set of clothes appropriate for a particular occasion or season. 

fancify

verb
  • To make fancy. 

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