brooch vs sweatband

brooch

noun
  • A piece of ornamental jewellery having a pin allowing it to be fixed to garments worn on the upper body. 

  • A painting all of one colour, such as a sepia painting. 

verb
  • To adorn as with a brooch. 

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 brooch and sweatband occurred in a corpus of books? (source: Google Ngram Viewer )