bouffant vs headwear

bouffant

noun
  • A puffy, round hairstyle, popular in the mid-to-late 16th century, characterized by hair raised high on the head and usually covering the ears or hanging down on the sides. 

adj
  • Of hair or clothing, full-bodied or puffy; puffed out away from head or body. 

headwear

noun
  • a hat or other covering for the head 

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