accessary vs inconsequential

accessary

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

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. 

inconsequential

adj
  • Having no consequence; not consequential; of little importance. 

  • Not logically following from the premises. 

noun
  • Something unimportant; something that does not matter. 

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