buzzard vs erne

buzzard

noun
  • Any of several Old World birds of prey of the genus Buteo with broad wings and a broad tail. 

  • In North America, a curmudgeonly or cantankerous man; an old person; a mean, greedy person. 

  • Any scavenging bird, such as the American black vulture (Coragyps atratus) or the turkey vulture (Cathartes aura). 

  • Synonym of double bogey 

erne

noun
  • A sea eagle (Haliaeetus), especially the white-tailed eagle (Haliaeetus albicilla) 

  • An eagle. 

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