sandshoe vs thong

sandshoe

noun
  • A sports or walking shoe with canvas upper and rubber sole; a sneaker. 

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. 

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