disregard vs look after

disregard

verb
  • To ignore; pay no attention to. 

noun
  • The act or state of deliberately not paying attention or caring about; misregard. 

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. 

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