celebrate vs denounce

celebrate

verb
  • To perform or participate in, as a sacrament or solemn rite; to perform with appropriate rites. 

  • To extol or honour in a solemn manner. 

  • To honour by rites, by ceremonies of joy and respect, or by refraining from ordinary business; to observe duly. 

  • To engage in joyful activity in appreciation of an event. 

denounce

verb
  • To claim the right of working a mine that is abandoned or insufficiently worked. 

  • To make a formal or public accusation against; to inform against; to accuse. 

  • To criticize or speak out against (someone or something); to point out as deserving of reprehension, etc.; to openly accuse or condemn in a threatening manner; to invoke censure upon; to stigmatize; to blame. 

  • To announce the termination of; especially a treaty or armistice. 

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