curtail vs expatiate

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. 

expatiate

verb
  • To range at large, or without restraint. 

  • To write or speak at length; to be copious in argument or discussion. 

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