courser vs pooch

courser

noun
  • A dog used for coursing. 

  • A person who practises coursing. 

  • Any of several species of bird in the genera Cursorius or Rhinoptilus of the family Glareolidae. 

  • A stone used in building a course. 

  • A racehorse or a charger. 

  • A hunter. 

pooch

noun
  • A dog. 

  • A bulge, an enlarged part. 

  • A dog of mixed breed; a mongrel. 

  • A distended or swelled condition. 

verb
  • To distend, to swell or extend beyond normal limits; usually used with out. 

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