slot in vs timetable

slot in

verb
  • To schedule something for a particular time. 

  • To put something into a slot. 

  • To put something into its desired place 

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 slot in and timetable occurred in a corpus of books? (source: Google Ngram Viewer )