conch vs screw

conch

noun
  • The shell of this sea animal. 

  • A marine gastropod of the family Strombidae which lives in its own spiral shell. 

  • A musical instrument made from a large spiral seashell, somewhat like a trumpet. 

  • Synonym of concher (“machine used to refine the flavour and texture of chocolate”) 

  • The semidome of an apse, or the apse itself. 

verb
  • To refine the flavour and texture of chocolate by warming and grinding, either in a traditional concher, or between rollers. 

  • To play a conch seashell as a musical instrument, by blowing through a hole made close to the origin of the spiral. 

screw

noun
  • An amphipod crustacean. 

  • Salary, wages. 

  • An extortioner; a sharp bargainer; a skinflint. 

  • A casual sexual partner. 

  • A prison guard. 

  • A simple machine, a helical inclined plane. 

  • Backspin. 

  • A straight line in space with which a definite linear magnitude termed the pitch is associated. It is used to express the displacement of a rigid body, which may always be made to consist of a rotation about an axis combined with a translation parallel to that axis. 

  • A small packet of tobacco. 

  • A ship's propeller. 

  • An Archimedes screw. 

  • The motion of screwing something; a turn or twist to one side. 

  • Rheumatism. 

  • A (usually) metal fastener consisting of a partially or completely threaded shank, sometimes with a threaded point, and a head used to both hold the top material and to drive the screw either directly into a soft material or into a prepared hole. 

  • A steam vessel propelled by a screw instead of wheels. 

  • Sexual intercourse; the act of screwing. 

verb
  • To contort. 

  • To extort or practice extortion upon; to oppress by unreasonable or extortionate exactions; to put the screws on. 

  • To have sexual intercourse with. 

  • To screw back. 

  • To connect or assemble pieces using a screw. 

  • To cheat someone or ruin their chances in a game or other situation. 

  • To miskick (a ball) by hitting it with the wrong part of the foot. 

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