cooter vs gina

cooter

noun

  • Vagina or vulva. 

  • The box turtle. 

  • A redneck. 

  • A freshwater turtle of the eastern United States of the genus Pseudemys. 

gina

noun

  • The vagina. 

  • The female equivalent of a gino. 

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