corrosion vs phthisic

corrosion

noun
  • The gradual destruction or undermining of something. 

  • Erosion by chemical action, especially oxidation. 

  • A substance (such as rust) so formed. 

  • The act of corroding or the condition so produced. 

phthisic

noun
  • Any wasting disease. 

  • A wasting illness of the lungs, such as asthma or tuberculosis; consumption; phthisis. 

  • A person suffering from phthisis. 

  • Any wasting or shrinking of another body part such as, for example, the eye (phthisis bulbi). 

adj
  • Of or relating to phthisis or tuberculosis; tubercular; consumptive. 

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