builder vs institutor

builder

noun
  • A person who builds or constructs things. 

  • Master artisan, who receives his instructions from the architect, and employs workers. 

  • Software that allows the user to create a certain kind of automated output. 

  • A bodybuilder. 

institutor

noun
  • One who institutes something. 

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