disclaimer vs rave

disclaimer

verb
  • To disclaim or disavow, as by appending a legal disclaimer. 

noun
  • A denial, disavowal, or renunciation, as of a title, claim, interest, estate, or trust; relinquishment or waiver of an interest or estate. 

  • A public disavowal, as of responsibility, pretensions, claims, opinions, etc. 

  • One who disclaims, disowns, or renounces. 

  • A disclosure of an interest, relationship, or the like. 

rave

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. 

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. 

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