lavaliere vs sweatband

lavaliere

noun
  • A pendant on a chain. 

adj
  • Worn on the chest. 

sweatband

noun
  • A band of fabric, inside the crown of a hat, designed to absorb perspiration. 

  • A band of fabric worn around the wrist or head during sports to absorb perspiration. 

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