carbuncle vs outgrowth

carbuncle

noun
  • An abscess larger than a boil, usually with one or more openings draining pus onto the skin. It is usually caused by staphylococcal infection. 

  • An unpopular or ugly building; an eyesore. 

outgrowth

noun
  • An appendage of an animal. 

  • A branch or offshoot of a plant. 

  • Excessive growth. 

  • A byproduct or consequence of an action or event. 

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