apart vs apropos

apart

prep
  • Apart from. 

adv
  • Aside; away; not included. 

  • separately, exclusively, not together 

  • Placed separately (in regard to space or time). 

  • In or into two or more parts. 

adj
  • Having been taken apart; disassembled, in pieces. 

  • Separate, on the side. 

  • Exceptional, distinct. 

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