lengthen vs shrivel

lengthen

verb
  • To make longer, to extend the length of. 

  • To become longer. 

shrivel

verb
  • To become wrinkled. 

  • To collapse inward; to crumble. 

  • To draw into wrinkles. 

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