charm vs mystery

charm

noun
  • An object, act or words believed to have magic power (usually carries a positive connotation). 

  • A second-order measure of derivative price sensitivity, expressed as the instantaneous rate of change of delta with respect to time. 

  • A flock, group (especially of finches). 

  • The ability to persuade, delight or arouse admiration. 

  • A small trinket on a bracelet or chain, etc., traditionally supposed to confer luck upon the wearer. 

  • The mixed sound of many voices, especially of birds or children. 

  • A quantum number of hadrons determined by the number of charm quarks and antiquarks. 

verb
  • To use a magical charm upon; to subdue, control, or summon by incantation or supernatural influence. 

  • To seduce, persuade or fascinate someone or something. 

  • To subdue or overcome by some secret power, or by that which gives pleasure; to allay; to soothe. 

  • To protect with, or make invulnerable by, spells, charms, or supernatural influences. 

mystery

noun
  • Something secret or unexplainable; an unknown. 

  • Someone or something with an obscure or puzzling nature. 

  • A religious truth not understandable by the application of human reason alone (without divine aid). 

  • A particular event or series of events in the life of Christ. 

  • A sacrament. 

  • A secret religious celebration, admission to which was usually through initiation. 

  • A craft, art or trade; specifically a guild of craftsmen. 

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