lean vs tend

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". 

tend

verb
  • To be likely, or probable to do something, or to have a certain habit or leaning. 

  • To accompany as an assistant or protector; to care for the wants of; to look after; to watch; to guard. 

  • To kindle; ignite; set on fire; light; inflame; burn. 

  • To look after (e.g. an ill person.) 

  • To contribute to or toward some outcome. 

  • To manage (an anchored vessel) when the tide turns, to prevent it from entangling the cable when swinging. 

  • To make a tender of; to offer or tender. 

  • To wait (upon), as attendants or servants; to serve; to attend. 

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