cascabel vs pellet

cascabel

noun
  • A knob at the end of a cannon, cast onto the gun breech, to which a heavy rope is attached in order to control recoil. 

  • A small, round, hot variety of chili pepper, Capsicum annuum, which rattles when dry. 

  • A bell attached to a sleigh or sleigh harness. 

pellet

noun
  • A lead projectile used as ammunition in rifled air guns. 

  • One of the short conductive tubes in a Pelletron particle accelerator. 

  • A small, compressed, hard chunk of matter. 

  • Compressed byproduct of digestion regurgitated by owls and many other birds of prey, which serves as a waste disposal mechanism for indigestible parts of food, such as fur and bones. 

  • A roundel sable (black circular spot). 

verb
  • To form into pellets. 

  • To strike with pellets. 

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