extenuated vs lank

extenuated

adj
  • Made slender or thin; emaciated, wasted. 

lank

adj
  • Slender or thin; not well filled out; not plump; shrunken; lean. 

  • Straight and flat; thin and limp. (Often associated with being greasy.) 

verb
  • To become lank. 

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