attenuation vs increase

attenuation

noun
  • 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. 

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

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

  • A gradual diminishing of strength. 

increase

verb
  • To multiply by the production of young; to be fertile, fruitful, or prolific. 

  • To become more nearly full; to show more of the surface; to wax. 

  • To make (a quantity, etc.) larger. 

  • (of a quantity, etc.) To become larger or greater. 

noun
  • The creation of one or more new stitches; see Increase (knitting). 

  • For a quantity, the act or process of becoming larger 

  • Offspring, progeny 

  • An amount by which a quantity is increased. 

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