line out vs purr

line out

noun
  • an audio jack that produces an unamplified signal 

verb
  • to take part in a sports event 

  • to appear in a lineout 

purr

noun
  • The vibrating sound made by a cat in its throat when contented. 

  • A throaty, seductive sound of pleasure made by a person. 

  • The low consistent rumble made by an engine at slow speed 

intj
  • Throat vibrating sound made by a cat. 

verb
  • Of a cat, to make a vibrating sound in its throat when contented. 

  • To make a vibrating throaty sound, as from pleasure. 

  • To make a low and consistent rumbling sound. 

  • To say (something) in a throaty, seductive manner. 

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