clout vs hammerhead

clout

noun
  • A clout nail. 

  • The center of the butt at which archers shoot; probably once a piece of white cloth or a nail head. 

  • Influence or effectiveness, especially political. 

  • A home run. 

  • A blow with the hand. 

verb
  • To cover with cloth, leather, or other material; to bandage, patch, or mend with a clout. 

  • To stud with nails, as a timber, or a boot sole. 

  • To guard with an iron plate, as an axletree. 

  • To hit, especially with the fist. 

  • To join or patch clumsily. 

hammerhead

noun
  • The portion of a hammer containing the metal striking face (also including the claw or peen if so equipped). 

  • A stupid person, a dunce. 

  • A fresh-water fish; the hogsucker, Hypentelium nigricans, in the sucker family Catostomidae. 

  • A kind of ribozyme; hammerhead ribozyme. 

  • Scopus umbretta (hammerkop). 

  • A turn-around; a parking area constructed in a subdivision for initial access and construction. 

  • Any of various sharks of the genera Sphyrna or Zygaena having the eyes set on projections from the sides of the head, which gives it a hammer shape. 

  • An African fruit bat, the hammer-headed fruit bat, Hypsignathus monstrosus, so called from its large blunt nozzle. 

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