reducer vs remission

reducer

noun
  • Something that reduces. 

  • A reducing agent. 

  • A liquid used in the process of developing a negative to reduce its darkness. 

  • A function that takes state and action as arguments and returns the next state of the app. 

  • A hydraulic device for reducing pressure and hence increasing movement, used to transmit the load from the hydraulic support of the lower shackle to the lever weighing apparatus in some kinds of heavy testing machine. 

  • A component used to connect two pipes of different bores. 

remission

noun
  • A lessening of amount due, as in either money or work, or intensity of a thing. 

  • A reduction or cancellation of the penalty for a criminal offence; in particular, the reduction of a prison sentence as a recognition of the prisoner's good behaviour. 

  • A pardon of a sin; (chiefly historical, also figuratively) the forgiveness of an offence, or relinquishment of a (legal) claim or a debt. 

  • An act of remitting, returning, or sending back. 

  • An abatement or lessening of the manifestations of a disease; a period where the symptoms of a disease are absent. 

  • A referral of a case back to another (especially a lower or inferior) court of law; a remand, a remittal. 

  • Reflection or scattering of light by a material; reemission. 

verb
  • To change the mission of; to provide with a new mission. 

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