run by vs slip away

run by

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

  • 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). 

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

slip away

verb
  • To leave a place, or a gathering, without being noticed. 

  • To die peacefully. 

  • To pass quickly, almost unnoticed. 

  • To disappear; to elude one; to recede; to dwindle. 

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