addition vs additive

addition

noun
  • Anything that is added. 

  • 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. 

  • 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. 

additive

noun
  • A word or phrase that adds something, such as also, even, or nor. 

  • A substance added to another substance or product to produce specific properties in the combined substance. 

adj
  • Of or pertaining to genes (or the interaction etc. of such genes) which govern the same trait and whose effects work together on the phenotype. 

  • Pertaining to chemical addition. 

  • Pertaining to addition; that can be, or has been, added. 

  • That is distributive over addition. 

  • Whose operator is identified as addition. 

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