can't wait vs long for

can't wait

verb
  • To eagerly anticipate; to find it hard to wait for a forthcoming pleasurable event. 

  • To need to be attended to right away. 

long for

verb
  • To have a desire for (a thing or an event). 

  • To miss (someone). 

adj
  • likely to remain for a long time 

How often have the words can't wait and long for occurred in a corpus of books? (source: Google Ngram Viewer )