clod vs yo-yo

clod

noun
  • A stupid person; a dolt. 

  • A lump of something, especially of earth or clay. 

  • Part of a shoulder of beef, or of the neck piece near the shoulder. 

  • The ground; the earth; a spot of earth or turf. 

verb
  • To collect into clods, or into a thick mass; to coagulate; to clot. 

  • To pelt with clods. 

  • To throw violently; to hurl. 

yo-yo

noun
  • A foolish, annoying or incompetent person. 

  • A toy consisting of a spheroidal or cylindrical spindle having a circular groove in which string is wound; it is used by holding the string in the fingers and reeling the spindle up and down by movements of the wrist. 

  • A cloth rosette formed by gathering the outside edge of a circle of fabric in toward the centre using a running stitch. 

  • Someone who vacillates. 

  • A dogfighting maneuver involving the attacker temporarily exchanging altitude for airspeed, or vice versa, in order to rapidly catch up with the defender or to prevent an overshoot. 

  • A volatile market that moves up and down. 

verb
  • To vacillate; to move up and down. 

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