compatible vs monotonic

compatible

adj
  • Consistent; congruous. 

  • Able to get along well. 

  • Capable of easy interaction. 

noun
  • Something that is compatible with something else. 

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. 

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