run-through vs sing-through

run-through

adj
  • In which trains continue without stopping while going through a station. 

noun
  • A rehearsal of a drama, especially an uninterrupted one, but with no makeup or costume. 

  • A brief outline of the main points of something; a rundown. 

sing-through

How often have the words run-through and sing-through occurred in a corpus of books? (source: Google Ngram Viewer )