administer vs look after

administer

verb
  • To manage or supervise the conduct, performance or execution of; to govern or regulate the parameters for the conduct, performance or execution of; to work in an administrative capacity. 

  • To give, as an oath. 

  • To apportion out, distribute. 

  • To minister (to). 

  • To settle, as the estate of one who dies without a will, or whose will fails of an executor. 

  • (medicine) To give (a drug, to a patient), be it orally or by any other means. 

  • (medicine) To cause (a patient, human or animal) to ingest (a drug), either by openly offering or through deceit. 

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. 

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