census vs timetable

census

verb
  • To conduct a census on. 

  • To collect a census. 

noun
  • An official count or enumeration of members of a population (not necessarily human), usually residents or citizens in a particular region, often done at regular intervals. 

  • Count, tally. 

timetable

verb
  • To arrange a specific time for (an event, a class, etc). 

noun
  • a tabular schedule of events with the times at which they occur, especially times of arrivals and departures 

  • A schedule of arrivals and departures published in book or booklet form, or as a pamphlet, and available to travellers, either free or for a charge. 

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