hardness vs turn

hardness

noun
  • The quality of being hard. 

  • An instance of this quality; hardship. 

  • The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material. 

  • The penetrating ability of electromagnetic radiation, such as x-rays; generally, the shorter the wavelength, the harder and more penetrating the radiation. 

  • The measure of resistance to damage of a facility, equipment, installation, or telecommunications infrastructure when subjected to attack. 

  • A measure of how hard a material is 

  • The quantity of calcium carbonate dissolved in water, usually expressed in parts per million (ppm). 

turn

verb
  • To bring down the feet of a child in the womb, in order to facilitate delivery. 

  • To magically or divinely attack undead. 

  • To be nauseated; said of the stomach. 

  • To change the color of the leaves in the autumn. 

  • To sour or spoil; to go bad. 

  • To reach a certain age. 

  • To sicken; to nauseate. 

  • Of a player, to go past an opposition player with the ball in one's control. 

  • To transform into a vampire, werewolf, zombie, etc. 

  • To position (something) by folding it, or using its folds. 

  • To rebel; to go against something formerly tolerated. 

  • To give form to; to shape or mould; to adapt. 

  • To complete. 

  • To become (begin to be). 

  • To change fundamentally; to metamorphose. 

  • To change (a person) into a vampire, werewolf, zombie, etc. 

  • To make (money); turn a profit. 

  • Of a bowler, to make (the ball) move sideways off the pitch when it bounces. 

  • To navigate through a book or other printed material. 

  • To change the direction or orientation of, especially by rotation. 

  • To make acid or sour; to ferment; to curdle. 

  • Of a body, person, etc, to move around an axis through itself. 

  • To change one's direction of travel. 

  • Of a ball, to move sideways off the pitch when it bounces. 

  • To change personalities, such as from being a face (good guy) to heel (bad guy) or vice versa. 

  • To become giddy; said of the head or brain. 

  • To undergo the process of turning on a lathe. 

  • To shape (something) symmetrically by rotating it against a stationary cutting tool, as on a lathe. 

  • To hinge; to depend. 

noun
  • The fourth communal card in Texas hold 'em. 

  • A chance to use (something) shared in sequence with others. 

  • A change in temperament or circumstance. 

  • A figure in music, often denoted ~, consisting of the note above the one indicated, the note itself, the note below the one indicated, and the note itself again. 

  • One's chance to make a move in a game having two or more players. 

  • A single loop of a coil. 

  • Character; personality; nature. 

  • A short skit, act, or routine. 

  • A fit or a period of giddiness. 

  • A unit of plane angle measurement based on this movement. 

  • A sideways movement of the ball when it bounces (caused by rotation in flight). 

  • A pass behind or through an object. 

  • An instance of going past an opposition player with the ball in one's control. 

  • A walk to and fro. 

  • A spell of work, especially the time allotted to a person in a rota or schedule. 

  • The profit made by a stockjobber, being the difference between the buying and selling prices. 

  • A deed done to another; an act of kindness or malice. 

  • A change of direction or orientation. 

  • A movement of an object about its own axis in one direction that continues until the object returns to its initial orientation. 

  • The time required to complete a project. 

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