accessory vs outline

accessory

noun
  • Something in a work of art without being indispensably necessary, for example solely ornamental parts. 

  • Something that belongs to part of another main thing; something additional and subordinate, an attachment. 

  • An article that completes one's basic outfit, such as a scarf or gloves. 

  • A person who is not present at a crime, but contributes to it as an assistant or instigator. 

adj
  • Having a secondary, supplementary or subordinate function by accompanying as a subordinate; aiding in a secondary way; being additional; contributing or being contributory. Said of things and actions, very rarely of people (and then usually in a humorous version of the legal sense [or due to confusion between the noun and the adjective]). 

  • Assisting a crime without actually participating in committing the crime itself; being connected as an incident or subordinate to a principal. 

  • Present in a minor amount, and not essential. 

outline

noun
  • A sketch or drawing in which objects are delineated in contours without shading. 

  • A line marking the boundary of an object figure. 

  • The outer shape of an object or figure. 

  • A prose telling of a story intended to be turned into a screenplay; generally longer and more detailed than a treatment. 

  • A general description of some subject. 

  • A preliminary plan for a project. 

  • A statement summarizing the important points of a text. 

  • A setline or trotline. 

verb
  • To optimize for size by replacing repeated code fragments with function calls. 

  • To draw an outline of. 

  • To summarize. 

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