accessary vs cat's-paw

accessary

noun
  • Someone who accedes to some act, now especially a crime; one who contributes as an assistant or instigator to the commission of an offense. 

adj
  • Accompanying as a subordinate; additional; accessory; especially, uniting in, or contributing to, a crime, but not as chief actor. See accessory. 

cat's-paw

noun
  • Someone who acts in another's interest, (properly) unknowingly or through trickery. 

  • Any of several species of North American freshwater mussels of the genus Epioblasma, especially E. obliquata. 

  • A paw of a cat. 

  • A metal set of claws worn over the hand or wielded in the hand used to remove skin and flesh. 

  • A small crowbar with a handle at a right angle to a blade with a V-shaped notch, principally used by carpenters to remove nails. 

  • A supervisor whose reliance on a subordinate's analysis is so complete as to render him or her liable for the subordinate's animus or other misconduct towards a third employee. 

  • A twisting variant of the lark's-foot hitch which forms two small bights used to hook a pair of tackles to a rope. 

  • Someone or something that comes down quickly upon a victim in the manner of a cat's paw. 

  • A minor breeze that ripples the surface of a body of water. 

  • Any of several species of Australian bloodworts of the genus Anigozanthos, especially A. humilis. 

How often have the words accessary and cat's-paw occurred in a corpus of books? (source: Google Ngram Viewer )