regulate vs superintend

regulate

verb
  • To control or direct according to rule, principle, or law. 

  • To put or maintain in order. 

  • To adjust to a particular specification or requirement: regulate temperature. 

  • To dictate policy. 

  • To adjust (a mechanism) for accurate and proper functioning. 

superintend

verb
  • To administer the affairs of something or someone. 

  • To oversee the work of others; to supervise. 

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