mild vs tempered

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 

tempered

adj
  • Having a specified disposition or temper. 

  • Pertaining to the metallurgical process for finishing metals. 

  • Pertaining to the well-tempered scale, where the twelve notes per octave of the standard keyboard are tuned in such a way that it is possible to play music in any major or minor key and it will not sound perceptibly out of tune. 

  • Pertaining to the industrial process for toughening glass, or to such toughened glass. 

  • Moderated or balanced by other considerations. 

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