blind-fly vs cleg

blind-fly

noun
  • Any of several medium-sized blood-sucking flies, of the family Tabanidae, usually species in the genus Haematopota. 

  • The game of blind man's buff 

cleg

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

  • A light breeze. 

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