brooch vs finger ring

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. 

finger ring

noun
  • A ring (often ornamental and/or precious) designed to be worn on a finger. 

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