bead vs pellet

bead

noun
  • A small, round ball at the end of a barrel of a gun used for aiming. 

  • A narrow molding with semicircular section. 

  • A bubble, in spirits. 

  • Each in a string of small balls making up the rosary or paternoster. 

  • Knowledge sufficient to direct one's activities to a purpose. 

  • A small drop of water or other liquid. 

  • A small, round object with a hole to allow it to be threaded on a cord or wire, particularly for decorative purposes. 

  • A rigid edge of a tire that mounts it on a wheel; tire bead. 

  • Various small, round solid objects. 

verb
  • To cause beads to form on (something). 

  • To apply beads to. 

  • To form into a bead. 

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 bead and pellet occurred in a corpus of books? (source: Google Ngram Viewer )