highlighter vs sharpie

highlighter

noun
  • A marker pen used to highlight text. 

  • That which highlights or emphasizes something. 

  • A cosmetic product that reflects light, used to emphasize the contours of the face etc. 

sharpie

noun
  • A Sharpie or other brand of felt-tipped marker pen. 

  • A knowledgeable fisherman. 

  • A member of a violent, fashionably dressed youth gang of the 1960s and 1970s. 

  • A swindler. 

  • A long, narrow fishing boat used in shallow waters. 

  • An alert person. 

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