line out vs lullaby

line out

noun
  • an audio jack that produces an unamplified signal 

verb
  • to take part in a sports event 

  • to appear in a lineout 

lullaby

noun
  • A cradlesong, a soothing song to calm children or lull them to sleep. 

verb
  • To sing a lullaby to. 

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