accessary vs figurehead

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. 

figurehead

noun
  • Someone in a nominal position of leadership who has no actual power; a front or front man. 

  • A carved figure on the prow of a sailing ship. 

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