befall vs run by

befall

verb
  • To fall upon; fall all over; overtake 

  • To happen. 

  • To happen to. 

noun
  • Case; instance; circumstance; event; incident; accident. 

run by

verb
  • Used other than figuratively or idiomatically: see run, by. 

  • To inform briefly of the main points of; to bring an idea or proposal to the attention of (especially in order to obtain their opinion of it). 

  • To briefly stop at a location for a particular purpose. 

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