blush vs tooth enamel

blush

noun
  • A sort of makeup, frequently a powder, used to redden the cheeks. 

  • Feeling or appearance of optimism. 

  • A pale pink wine made by removing the dark grape skins at the required point during fermentation. 

  • The collective noun for a group of boys. 

  • An act of blushing; a red glow on the face caused by shame, modesty, etc. 

  • A glow; a flush of colour, especially pink or red. 

  • A color between pink and cream. 

verb
  • To have a warm and delicate colour, like some roses and other flowers. 

  • Of dope or varnish: to develop an undesirable white precipitate on the surface, due to being applied in humid conditions. 

  • To be ashamed or embarrassed (to do something). 

  • To become red in the face (and sometimes experience an associated feeling of warmth), especially due to shyness, shame, excitement, or embarrassment. 

  • To become red. 

  • To suffuse with a blush; to redden; to make rosy. 

  • To express or make known by blushing. 

  • To change skin color in the face (to a particular shade). 

tooth enamel

noun
  • The hard, mineralised substance that makes up the visible part of teeth. 

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