abridge vs complicate

abridge

verb
  • Cut short; truncate. 

  • To make shorter; to shorten in duration or extent. 

  • To shorten or contract by using fewer words, yet retaining the sense; to epitomize; to condense. 

  • To curtail. 

complicate

verb
  • To involve in a convoluted matter. 

  • To make complex; to modify so as to make something intricate or difficult. 

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