inferiority vs prevalence

inferiority

noun
  • The quality of being a competitive disadvantage. 

  • The quality or state of being inferior. 

  • An inferior power. 

  • An inferior value or quality. 

prevalence

noun
  • The total number of cases of a disease in a given statistical population at a given time, divided by the number of individuals in that population. 

  • The quality or condition of being prevalent; wide extension or spread. 

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