helicopter vs walk

helicopter

verb
  • To rotate like a helicopter blade. 

  • To overprotect one's children, as a helicopter parent does. 

  • To travel by helicopter. 

  • To transport by helicopter. 

noun
  • A powered troweling machine with spinning blades used to spread concrete. 

  • A whirling trick performed with devil sticks. 

  • A dragonfly. 

  • The winged fruit of certain trees, such as ash, elm, and maple. 

  • An aircraft that is borne along by one or more sets of long rotating blades which allow it to hover, move in any direction including reverse, or land; and typically having a smaller set of blades on its tail that stabilize the aircraft. 

walk

verb
  • To operate the left and right throttles of (an aircraft) in alternation. 

  • To allow a batter to reach base by pitching four balls. 

  • To push (a vehicle) alongside oneself as one walks. 

  • To be stirring; to be abroad; to go restlessly about; said of things or persons expected to remain quiet, such as a sleeping person, or the spirit of a dead person. 

  • To walk off the field, as if given out, after the fielding side appeals and before the umpire has ruled; done as a matter of sportsmanship when the batsman believes he is out. 

  • To behave; to pursue a course of life; to conduct oneself. 

  • To leave, resign. 

  • To put, keep, or train (a puppy) in a walk, or training area for dogfighting. 

  • To move a guest to another hotel if their confirmed reservation is not available on day of check-in. 

  • To move on the feet by alternately setting each foot (or pair or group of feet, in the case of animals with four or more feet) forward, with at least one foot on the ground at all times. Compare run. 

  • To traverse by walking (or analogous gradual movement). 

  • To take for a walk or accompany on a walk. 

  • Of an object, to go missing or be stolen. 

  • To travel (a distance) by walking. 

  • To move something by shifting between two positions, as if it were walking. 

  • To full; to beat cloth to give it the consistency of felt. 

  • To "walk free", i.e. to win, or avoid, a criminal court case, particularly when actually guilty. 

noun
  • A situation where all players fold to the big blind, as their first action (instead of calling or raising), once they get their cards. 

  • A distance walked. 

  • A sequence of alternating vertices and edges, where each edge's endpoints are the preceding and following vertices in the sequence. 

  • Something very easily accomplished; a walk in the park. 

  • A manner of walking; a person's style of walking. 

  • An Olympic Games track event requiring that the heel of the leading foot touch the ground before the toe of the trailing foot leaves the ground. 

  • A trip made by walking. 

  • An award of first base to a batter following four balls being thrown by the pitcher; known in the rules as a "base on balls". 

  • In coffee, coconut, and other plantations, the space between them. 

  • A place for keeping and training puppies for dogfighting. 

  • An enclosed area in which a gamecock is confined to prepare him for fighting. 

  • A person's conduct or course in life. 

  • An area of an estate planted with fruit-bearing trees. 

  • A path, sidewalk/pavement or other maintained place on which to walk. 

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