abatement vs reducer

abatement

noun
  • The act of abating, or the state of being abated; a lessening, diminution, or reduction; a moderation; removal or putting an end to; the suppression. 

  • The reduction of the proceeds of a will, when the debts have not yet been satisfied; the reduction of taxes due. 

  • The action of a person that abates, or without proper authority enters a residence after the death of the owner and before the heir takes possession. 

  • An amount abated; that which is taken away by way of reduction; deduction; decrease; a rebate or discount allowed; in particular from a tax. 

  • Waste of stuff in preparing to size. 

  • A mark of dishonor on an escutcheon; any figure added to the coat of arms tending to lower the dignity or station of the bearer. 

reducer

noun
  • 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. 

  • Something that reduces. 

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