ship out vs transmit

ship out

verb
  • To send, especially by means of a transport vehicle. 

  • To depart, especially for a sea voyage or military assignment. 

  • To leave, get out, or resign. 

  • To get rid of, expel, or discard. 

transmit

verb
  • To send or convey something from one person, place or thing to another. 

  • To spread or pass on something such as a disease or a signal. 

  • To communicate news or information. 

  • To convey energy or force through a mechanism or medium. 

  • To impart, convey or hand down something by inheritance or heredity. 

  • To send out a signal (as opposed to receive). 

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