eagle owl vs owl

eagle owl

noun
  • Any of various Old World large owls of the genus Bubo, especially the Eurasian eagle owl, Bubo bubo, that have prominent ear tufts. 

owl

noun
  • An owl pigeon. 

  • A person seen as having owl-like characteristics, especially appearing wise or serious, or being nocturnally active. 

  • Any of various birds of prey of the order Strigiformes that are primarily nocturnal and have forward-looking, binocular vision, limited eye movement, and good hearing. 

  • Any of various nymphalid butterflies, especially in the genus Caligo, having large eyespots on the wings. 

  • A politician with moderate views that are neither hawkish nor dovish. 

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