monotonic vs redundant

monotonic

adj
  • Uttered in a monotone; monotonous. 

  • said of a function that either never decreases or never increases as its independent variable increases. 

  • of or using the Greek system of diacritics which discards the breathings and employs a single accent to indicate stress. It replaced polytonic system in 1982. 

redundant

adj
  • Repetitive or needlessly wordy. 

  • Dismissed from employment because no longer needed. 

  • Superfluous; exceeding what is necessary, no longer needed. 

  • Duplicating or able to duplicate the function of another component of a system, providing backup in the event the other component fails. 

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