apropos vs early

apropos

adv
  • Timely; at a good time. 

  • To the purpose; appropriately. 

  • By the way. 

adj
  • Of an appropriate or pertinent nature. 

  • by the way, incidental 

prep
  • Regarding or concerning. 

early

adv
  • Soon; in good time; seasonably. 

  • At a time before expected; sooner than usual. 

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 apropos and early occurred in a corpus of books? (source: Google Ngram Viewer )