celebrate vs moan

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. 

moan

verb
  • To say in a moan, or with a moaning voice. 

  • To complain; to grumble. 

  • To grieve. 

  • To make a moan or similar sound. 

noun
  • a low, mournful cry of pain, sorrow or pleasure 

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