chat show vs simulcast

chat show

noun

  • Synonym of talk show 

simulcast

noun

  • A program or event that is broadcast across more than one medium or service at the same time. 

verb

  • To broadcast a program or event across more than one medium or service at the same time. 

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