thong vs toecap

thong

noun
  • An item of footwear, usually of rubber, secured by two straps which join to pass between the big toe and its neighbour. 

  • The largest section of a bullwhip constructed of many straps of braided leather. 

  • A strip of leather. 

  • An undergarment or swimwear consisting of very narrow strips designed to cover just the genitals and nothing more. 

toecap

noun
  • A piece of leather or other material on a shoe or boot that covers the toes. 

  • a piece of hard steel or leather on a shoe or boot for protection of the toes. 

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