derogatory vs rave

derogatory

adj
  • Disparaging. 

  • Tending to derogate 

  • Reducing the power or value of (a governmental body, etc); detracting from. 

  • Lessening the worth of (a person, etc); expressing derogation; insulting. 

  • Being or pertaining to a derogatory clause. 

noun
  • A trade-line on a credit report that includes negative credit history. 

rave

noun
  • An all-night dance party with electronic dance music (techno, trance, drum and bass etc.) and possibly drug use. 

  • The genres of electronic dance music usually associated with rave parties. 

  • An enthusiastic review (such as of a play). 

  • One of the upper side pieces of the frame of a wagon body or a sleigh. 

verb
  • To talk with unreasonable enthusiasm or excessive passion or excitement; followed by about, of, or (formerly) on. 

  • To speak or write wildly or incoherently. 

  • To attend a rave (dance party). 

  • To wander in mind or intellect; to be delirious; to talk or act irrationally; to be wild, furious, or raging. 

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