enrich vs lean

enrich

verb
  • To enhance. 

  • To add nutrients or fertilizer to the soil; to fertilize. 

  • To increase the amount of one isotope in a mixture of isotopes, especially in a nuclear fuel. 

  • To adorn, ornate more richly. 

  • To make (someone or something) rich or richer. 

  • To add nutrients to foodstuffs; to fortify. 

  • To make to rise the proportion of a given constituent. 

lean

verb
  • To incline in opinion or desire; to conform in conduct; often with to, toward, etc. 

  • To incline, deviate, or bend, from a vertical position; to be in a position thus inclining or deviating. 

  • To hang outwards. 

  • To conceal. 

  • Followed by against, on, or upon: to rest or rely, for support, comfort, etc. 

  • To press against. 

  • To thin out (a fuel-air mixture): to reduce the fuel flow into the mixture so that there is more air or oxygen. 

noun
  • An inclination away from the vertical. 

  • An organism that is lean in stature. 

  • Meat with no fat on it. 

  • A recreational drug based on codeine-laced promethazine cough syrup, especially popular in the hip hop community in the southeastern United States. 

adj
  • Having little fat. 

  • Having little extra or little to spare; scanty; meagre. 

  • Having a low proportion or concentration of a desired substance or ingredient. 

  • Slim; not fleshy. 

  • Efficient, economic, frugal, agile, slimmed-down; pertaining to the modern industrial principles of "lean manufacturing". 

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