cortex vs husk

cortex

noun
  • The outer surface of a piece of flint. 

  • The tissue of a stem or root that lies inward from the epidermis, but exterior to the vascular tissue. 

  • The outer layer of an internal organ or body structure, such as the kidney or the brain. 

husk

noun
  • The supporting frame of a run of millstones. 

  • Any form of useless, dried-up, and subsequently worthless exterior of something. 

  • An infection in cattle caused by a species of Dictyocaulus or lungworm 

  • The dry, leafy or stringy exterior of certain vegetables or fruits, which must be removed before eating the meat inside. 

verb
  • To cough, clear one's throat. 

  • To say huskily, to utter in a husky voice. 

  • To remove husks from. 

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