simulcast vs telecast

simulcast

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

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

telecast

verb
  • To broadcast a television program. 

  • To broadcast by television. 

noun
  • A television broadcast, especially outside of a studio. 

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