eruption vs wheal

eruption

noun
  • An infection of the skin resulting in a rash or blemishing. 

  • A violent ejection, such as the spurting out of lava from a volcano. 

  • A sudden release of pressure or tension. 

wheal

noun
  • A small raised swelling on the skin, often itchy, caused by a blow from a whip or an insect bite etc. 

  • A mine. 

verb
  • Synonym of wale. 

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