administrate vs head up

administrate

verb
  • to administer 

  • the act or function of providing maintenance and general housekeeping for computer systems, networks, peripheral equipment, etc. 

head up

verb
  • To lead or take the lead in; to direct; to take charge of. 

  • To close (a cask, barrel, etc.) by fitting a head to it. 

  • To turn towards the wind 

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