addition vs augmentation

addition

noun
  • The act of adding anything. 

  • The arithmetic operation of adding. 

  • A dot at the right side of a note as an indication that its sound is to be lengthened one half. 

  • Anything that is added. 

  • A title annexed to a person's name to identify him or her more precisely. 

  • Something added to a coat of arms, as a mark of honour. 

augmentation

noun
  • The act or process of augmenting. 

  • A surgical procedure to enlarge a body part, as breast augmentation. 

  • A particular mark of honour, granted by the sovereign in consideration of some noble action, or by favour; and either quartered with the family arms, or on an escutcheon or canton. 

  • The stage of a disease during which symptoms increase or continue. 

  • A compositional technique where the composer lengthens the melody by lengthening its note values. 

  • An increase of stipend obtained by a parish minister by an action raised in the Court of Teinds against the titular and heritors. 

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