cerebrum vs scalp

cerebrum

noun
  • The principal and most anterior part of the brain in vertebrates, which is located in the front area of the skull and divided into two hemispheres, left and right, separated by a fissure. In humans it is the largest part of the brain and is responsible for the integration of complex sensory functions and the initiation and coordination of voluntary activity, and the higher mental functions such as consciousness, thought, reason, emotion, and memory. 

scalp

noun
  • The top of the head; the skull. 

  • The top; the summit. 

  • A part of the skin of the head, with the hair attached, formerly cut or torn off from an enemy by warriors in some cultures as a token of victory. 

  • The part of the head where the hair grows from, or used to grow from. 

  • The skin of the head of a stag with the horns attached. 

  • A bed or stratum of shellfish. 

  • A victory, especially at the expense of someone else. 

verb
  • To remove the skin of. 

  • To brush the hairs or fuzz from (wheat grains, etc.) in the process of high milling. 

  • To resell, especially tickets, usually for an inflated price, often illegally. 

  • To bet on opposing competitors so as to make a profit from the bookmaker. 

  • To destroy the political influence of. 

  • To screen or sieve ore before further processing. 

  • To remove the scalp (part of the head from where the hair grows), by brutal act or accident. 

  • On an open outcry exchange trading floor, to buy and sell rapidly for one's own account, aiming to buy from a seller and a little later sell to a buyer, making a small profit from the difference (roughly the amount of the bid/offer spread, or less). 

  • To remove the grass from. 

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