hopper vs katydid

hopper

noun
  • A grasshopper or locust, especially 

  • A window with hinges at the bottom, opened by tilting vertically. 

  • A bin or device that feeds material into a machine. 

  • A Sri Lankan pancake made from a fermented batter of rice flour, coconut milk, and palm toddy or yeast. 

  • A toilet. 

  • A leafhopper. 

  • A temporary storage bin, filled from the top and emptied from the bottom, often funnel-shaped. 

  • The larva of a cheese fly. 

  • An escapement lever in a piano. 

  • An artificial fishing lure. 

  • A funnel-shaped section at the top of a drainpipe used to collect water, from above, from one or more smaller drainpipes. 

  • One who or that which hops. 

  • Any of various hesperiid butterflies. 

  • A fairy chess piece which moves only by jumping over another piece. 

  • A person or machine that picks hops. 

  • A hopper car. 

  • The immature form of a locust. 

katydid

noun
  • A relative of grasshoppers and crickets, in the family Tettigoniidae. 

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