ad hoc vs early

ad hoc

adv
  • On the spur of the moment. 

  • For a particular purpose. 

adj
  • Created on the spur of the moment; impromptu. 

  • Independent of previously instated network structure, like routers or access points. 

  • For a particular purpose. 

  • Postulated solely to save a theory from being falsified, without making any new predictions. 

early

adv
  • At a time before expected; sooner than usual. 

  • Soon; in good time; seasonably. 

adj
  • Near the start or beginning. 

  • Near the start of the day. 

  • Having begun to occur; in its early stages. 

  • At a time in advance of the usual or expected event. 

  • Arriving a time before expected; sooner than on time. 

  • Of a star or class of stars, hotter than the sun. 

noun
  • A shift (scheduled work period) that takes place early in the day. 

How often have the words ad hoc and early occurred in a corpus of books? (source: Google Ngram Viewer )