look after vs regard

look after

verb
  • 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. 

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

regard

verb
  • To look at; to observe. 

  • To consider, look upon (something) in a given way etc. 

  • To have to do with, to concern. 

  • To face toward. 

noun
  • A particular aspect or detail; respect, sense. 

  • The worth or estimation in which something or someone is held. 

  • A steady look, a gaze. 

  • Slang for retard, a very bad stock trader. 

  • One's concern for another; esteem; relation, reference. 

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