adapt vs plateau

adapt

verb
  • To fit by alteration; to modify or remodel for a different purpose; to adjust 

  • To make suitable; to make to correspond; to fit or suit 

  • To make by altering or fitting something else; to produce by change of form or character 

  • To make oneself comfortable to a new thing. 

adj
  • Adapted; fit; suited; suitable. 

plateau

verb
  • (of a varying quantity) To reach a stable level after a period of increase; to level off. 

noun
  • A comparatively stable level after a period of increase. 

  • A notable level of attainment or achievement. 

  • A largely level expanse of land at a high elevation; tableland. 

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