lacking variation vs lame

lacking variation

lame

adj
  • Moving with pain or difficulty on account of injury, defect or temporary obstruction of a function. 

  • Unable to walk properly because of a problem with one's feet or legs. 

  • Hobbling; limping; inefficient; imperfect. 

  • Failing to be cool, funny, interesting or relevant. 

  • Unconvincing or unbelievable. 

verb
  • To cause (a person or animal) to become lame. 

noun
  • A lamina; a thin layer or plate of material, as in certain kinds of armor. 

  • A stupid or undesirable person. 

  • A set of joined overlapping metal plates. 

  • Kitchen tool for scoring bread dough before baking. 

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