plateau vs slay

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. 

slay

verb
  • To amaze, stun, or otherwise incapacitate by excellence; to excel at something. 

  • To defeat; to overcome (in a competition or contest). 

  • To kill; to murder. 

  • To have sex with. 

  • To delight or overwhelm, especially with laughter. 

  • To eradicate or stamp out. 

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