aeroplane vs cab

aeroplane

verb
  • To transport by aeroplane. 

  • To fly in an aeroplane. 

noun
  • Any of various nymphalid butterflies, of various genera, having a slow gliding flight. Also called planes. 

  • Synonym of airplane. A powered heavier-than-air aircraft with fixed wings. 

cab

verb
  • To travel by taxicab. 

noun
  • Shelter at the top of an air traffic control tower or fire lookout tower. 

  • Any of several four-wheeled carriages; a cabriolet. 

  • Compartment at the front of a truck or train for the driver. 

  • Synonym of taxi 

  • An arcade cabinet, the unit in which a video game is housed in a gaming arcade. 

  • A former Hebrew unit of volume, about equal to 1.3 L as a dry measure or 1.25 L as a liquid measure. 

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