come off vs slide off

come off

verb
  • To escape or get off (lightly, etc.); to come out of a situation without significant harm. 

  • To occur; to take place. 

  • To have some success; to succeed. 

  • To become detached. 

  • To appear; to seem; to project a certain quality. 

slide off

verb
  • To leave a place, a meeting, etc., without being noticed; to slip away, slip off. 

  • Used other than figuratively or idiomatically: see slide, off. 

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