monotonic vs pleonastic

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. 

pleonastic

adj
  • Characterised by the use of redundant words or an excessive number of words. 

  • Redundant. 

  • Of, or relating to pleonasm. 

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