dilute vs scalp

dilute

noun
  • An animal having a lighter-coloured coat than is usual. 

adj
  • Of an animal: having a lighter-coloured coat than is usual. 

  • Having a low concentration. 

  • Weak; reduced in strength by dilution; diluted. 

verb
  • To cause the value of individual shares or the stake of a shareholder to decrease by increasing the total number of shares. 

  • To become attenuated, thin, or weak. 

  • To weaken, especially by adding a foreign substance. 

  • To make thinner by adding solvent to a solution, especially by adding water. 

scalp

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

  • 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. 

  • A bed or stratum of shellfish. 

  • The top of the head; the skull. 

  • 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 dilute and scalp occurred in a corpus of books? (source: Google Ngram Viewer )