cleg vs thickset

cleg

noun
  • A blood-sucking fly of the family Tabanidae; a gadfly, a horsefly. 

  • A light breeze. 

thickset

noun
  • A stout, twilled cotton cloth; a fustian corduroy, or velveteen. 

  • A piece of clothing made from this fabric. 

adj
  • Having a relatively short, heavy build. 

  • Densely crowded together; made up of things that are densely crowded together; closely planted. 

  • Densely covered (with something). 

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