augmentation vs decrement

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. 

decrement

verb
  • To decrease a value by a basic quantity unit. 

noun
  • A small quantity removed or lost. One of a series of regular subtractions. 

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