amplification vs recession

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. 

recession

noun
  • The act or an instance of receding or withdrawing. 

  • A procedure in which an extraocular muscle is detached from the globe of the eye and reattached posteriorly. 

  • A period of low temperatures that causes a reduction in species; ice age. 

  • A period of reduced economic activity 

  • The ceremonial filing out of clergy and/or choir at the end of a church service. 

  • The act of ceding something back. 

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