pack up vs play up

pack up

verb
  • To break, to cease to function. 

  • To clear away and place into storage. 

  • To put back together. 

  • To give in. 

  • To move one’s residence. 

  • To prepare for shipping, as a gift. 

  • To put into bags to prepare to move. 

play up

verb
  • To misbehave. 

  • To make or attempt to make something appear more important, likely, or obvious; to showcase or highlight. 

  • To play more vigorously. 

  • To be unfaithful to a lover; to cheat; used with on. 

How often have the words pack up and play up occurred in a corpus of books? (source: Google Ngram Viewer )