helicopter vs soar

helicopter

verb
  • To travel by helicopter. 

  • To rotate like a helicopter blade. 

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

  • 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. 

soar

verb
  • To remain aloft by means of a glider or other unpowered aircraft. 

  • To rise, especially rapidly or unusually high. 

  • To mount upward on wings, or as on wings, especially by gliding while employing rising air currents. 

  • To rise in thought, spirits, or imagination; to be exalted in mood. 

  • To fly high with little effort, like a bird. 

noun
  • The act of soaring. 

  • An upward flight. 

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