gousset vs inset

gousset

noun
  • A small piece of mail, providing some protection where two plates of armor are joined, usually at the elbows, under the shoulders, and behind the knees. 

inset

noun
  • A small piece of material used to strengthen a garment. 

  • A smaller thing set into a larger thing, such as a small picture inside a larger one. 

  • Anything inserted. 

verb
  • To insert something. 

  • To add an inset to something. 

  • To set in; infix or implant. 

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