pioneer scarf vs red scarf

pioneer scarf

noun

  • A neckerchief worn by a young pioneer, typically red in colour. 

red scarf

noun

  • A neckerchief worn by a young pioneer, typically red in colour. 

  • A young pioneer. 

  • Used other than figuratively or idiomatically: see red, scarf. 

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