cess vs discontinue

cess

verb
  • To levy a cess. 

noun
  • Usually preceded by good or (more commonly) bad: luck or success. 

  • An assessed tax, duty, or levy. 

  • The area along either side of a railroad track which is kept at a lower level than the sleeper bottom, in order to provide drainage. 

discontinue

verb
  • To interrupt the continuance of; to put an end to, especially as regards commercial productions; to stop producing, making, or supplying. 

  • To consciously cease the ingestion or administration of (a pharmaceutical drug). 

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