addition vs amplification

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. 

amplification

noun
  • The act, or result of amplifying, enlarging, extending or adding. 

  • A procedure used in the nomenclature of complex organic compounds in which the superatoms of a basic structure (a phane) are replaced by cyclic structures (amplificants). 

  • The act, or result of independently increasing some quantity, especially voltage, power or current. 

  • A translation technique that involves adding content that is not present in the source text to the target text, usually to improve the fluency of the translation. 

  • Gain. 

  • The using of the polymerase chain reaction (PCR) for isolating and exponentially amplifying a fragment or sequence of DNA. 

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