abatement vs attenuation

abatement

noun
  • Waste of stuff in preparing to size. 

  • 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. 

  • 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. 

attenuation

noun
  • A fabrication process in which a material is stretched out into a thin shape. 

  • A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal. 

  • The reduction of the active principles of medicines to minute doses. 

  • The tapering of a leaf etc to a fine point. 

  • A weakening in the virulence of a pathogen or other microorganism. 

  • The proportion of sugar that is converted to ethanol by a yeast. 

  • A gradual diminishing of strength. 

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