look after vs superintend

look after

verb
  • To have as one's business; to manage, be responsible for. 

  • To follow with the eyes; to look in the direction of (someone or something departing). 

  • To care for; to keep safe. 

  • To seek out, to look for. 

superintend

verb
  • To oversee the work of others; to supervise. 

  • To administer the affairs of something or someone. 

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