desert boot vs gaiter

desert boot

noun
  • A type of laced ankle-high boots made of soft suede with a crepe sole 

gaiter

noun
  • A covering cloth or leather for the whole leg from the knee to the instep, fitting down upon the shoe. 

  • A covering of cloth or leather for the ankle and instep. 

  • Part of the ecclesiastical garb of a bishop. 

verb
  • To dress with gaiters. 

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