lay up vs squirrel away

lay up

verb
  • To store; to put by. 

  • To go out of active service. 

  • To make a layup with (a basketball) 

  • To deliberately leave the ball further than necessary from the hole, so as to secure an easier succeeding shot. 

  • To take out of active service. 

  • To disable or incapacitate; to confine to bed. 

squirrel away

verb
  • To stash or hide; to hoard, collect, save, or accumulate; to create a reserve, stash, or hoard of some supply. 

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