celebrate vs recognize

celebrate

verb
  • To extol or honour in a solemn manner. 

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

  • 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. 

recognize

verb
  • To show formal appreciation of, as with an award, commendation etc. 

  • To match (something or someone which one currently perceives) to a memory of some previous encounter with the same person or thing. 

  • To realize or discover the nature of something; apprehend quality in. 

  • to cognize again 

  • To have the property to bind to specific antigens. 

  • To acknowledge or consider (as being a certain thing or having a certain quality or property). 

  • To acknowledge the existence or legality of; to treat as valid or worthy of consideration. 

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