catling vs domestic cat

catling

noun
  • catgut; a catgut string 

  • A double-edged, sharp-pointed dismembering knife. 

domestic cat

noun
  • A domesticated cat, of the species Felis catus or Felis silvestris catus, especially one kept as a pet or for vermin control. 

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