curtail vs roll down

curtail

noun
  • A scroll termination, as of a step, etc. 

verb
  • To shorten or abridge the duration of something; to truncate. 

  • To limit or restrict, keep in check. 

roll down

verb
  • Synonym of wind down 

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