mongrel vs sighthound

mongrel

noun
  • Someone or something of mixed kind or uncertain origin, especially a dog. 

  • A thuggish, obnoxious, or contemptible person; (often preceded by "poor") a pitiable person. 

  • An erect penis; an erection. 

adj
  • Of mixed breed, nature, or origin; of or like a mongrel. 

sighthound

noun
  • A hound that primarily hunts by sight and speed, instead of by scent and endurance. 

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