convenience vs lay away

convenience

verb
  • To make convenient 

noun
  • Any object that makes life more convenient; a helpful item. 

  • The quality of being convenient. 

  • A convenient time. 

lay away

verb
  • To put (something) on layaway. 

  • To bury (someone). 

  • To reserve (something) for the future. 

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