intermittent vs sequential

intermittent

adj
  • Stopping and starting, occurring, or presenting at intervals; coming after a particular time span. 

  • Existing only for certain seasons; that is, being dry for part of the year. 

sequential

adj
  • Expressing succession of events. 

  • Executed as a sequence of instructions, without concurrency or parallelism. 

  • Succeeding or following in order. 

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