mild vs virulent

mild

adj
  • Of only moderate severity; not strict. 

  • Not sharp or bitter; not strong in flavor. 

  • Not serious or dangerous. 

  • Moderately warm, especially less cold than expected. 

  • Gentle and not easily angered. 

  • Not overly felt or seriously intended. 

  • Acting gently and without causing harm. 

noun
  • A relatively low-gravity beer, often with a dark colour; mild ale 

virulent

adj
  • Extremely hostile or malicious; intensely acrimonious. 

  • Of a pathogen: replicating within its host cell, then immediately causing it to undergo lysis. 

  • Of a disease or disease-causing agent: malignant, able to cause damage to the host. 

  • Of animals, plants, or substances: extremely venomous or poisonous. 

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