abatement vs weakening

abatement

noun
  • 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. 

  • 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. 

  • 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. 

  • Waste of stuff in preparing to size. 

weakening

noun
  • An instance or process of loss of strength. 

  • A structural principle of mathematical logic that states that the hypotheses of any derived fact may be freely extended with additional assumptions. 

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