costume vs mufti

costume

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

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

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

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

mufti

noun
  • A civilian dress when worn by a member of the military, or casual dress when worn by a pupil of a school who normally would wear uniform. 

  • A Muslim scholar and interpreter of shari’a law, who can deliver a fatwa. 

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