abroad vs apropos

abroad

prep
  • Throughout, over. 

noun
  • Countries or lands abroad. 

adv
  • Not on target; astray; in error; confused; dazed. 

  • Beyond the bounds of a country; in foreign countries. 

  • Played elsewhere than one's home grounds. 

apropos

prep
  • Regarding or concerning. 

adv
  • To the purpose; appropriately. 

  • By the way. 

  • Timely; at a good time. 

adj
  • Of an appropriate or pertinent nature. 

  • by the way, incidental 

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