blond vs citron

blond

adj
  • Of a bleached or pale golden (light yellowish) colour. 

  • Having blond hair. 

verb
  • To color or dye blond. 

noun
  • A pale yellowish (golden brown) color, especially said of hair color. 

  • A person with this hair color. 

citron

adj
  • Of a greenish yellow colour. 

noun
  • The fruit of a citron tree. 

  • A greenish yellow colour. 

  • The candied rind of the citron fruit. 

  • A small citrus tree, Citrus medica. 

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