constitution vs first night

constitution

noun
  • The act, or process of setting something up, or establishing something; the composition or structure of such a thing; its makeup. 

  • A legal document describing such a formal system. 

  • The formal or informal system of primary principles and laws that regulates a government or other institutions. 

  • A document issued by a religious authority serving to promulgate some particular church laws or doctrines. 

  • A person's physical makeup or temperament, especially in respect of robustness. 

first night

noun
  • Used other than figuratively or idiomatically: see first, night. 

  • The first night after marriage. 

  • The first public performance of a play or other show, normally assumed to be held in the evening. 

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