check mark vs cork

check mark

noun
  • In long jump, javelin and similar events, little mark alongside the runway which helps the athlete to set their steps just right for their performance. 

  • A mark (✓) made to indicate agreement, correctness or acknowledgement. 

cork

noun
  • An aerialist maneuver involving a rotation where the rider goes heels over head, with the board overhead. 

  • The cork oak, Quercus suber. 

  • The bark of the cork oak, which is very light and porous and used for making bottle stoppers, flotation devices, and insulation material. 

  • An angling float, also traditionally made of oak cork. 

  • A bottle stopper made from this or any other material. 

  • The dead protective tissue between the bark and cambium in woody plants, with suberin deposits making it impervious to gasses and water. 

adj
  • Having the property of a head over heels rotation. 

verb
  • To seal or stop up, especially with a cork stopper. 

  • To leave the cork in a bottle after attempting to uncork it. 

  • To perform such a maneuver. 

  • To fill with cork. 

  • To position one's drift net just outside of another person's net, thereby intercepting and catching all the fish that would have gone into that person's net. 

  • To tamper with (a bat) by drilling out part of the head and filling the cavity with cork or similar light, compressible material. 

  • To blacken (as) with a burnt cork. 

  • To injure through a blow; to induce a haematoma. 

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