chigger vs chigoe

chigger

noun
  • A chigoe (Tunga penetrans), a kind of flea found in tropical climates. 

  • A harvest mite, a very small, red mite endemic to the Midwestern and Southeastern US, the infestation of which causes intense itching. 

  • An East Asian person who behaves in ways similar to a stereotypical urban African American. 

chigoe

noun
  • A small tropical flea, Tunga penetrans, whose females burrow under the skin of animals, including humans, and lay their eggs, causing strong irritation and sores. 

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