na-na vs quim

na-na

noun

  • The vulva. 

quim

noun

  • The female genitalia; the vulva. 

  • An extremely unpleasant or objectionable person. 

adj

  • Affectedly nice, prim. 

  • Moving with ease and precision. 

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