podcast vs presentation

podcast

noun
  • An individual episode of such a programme. 

  • A programme, especially an audio programme, produced on a regular basis, delivered over the Internet in a compressed digital format and designed for playback on computers or portable devices such as mobile phones. 

verb
  • To deliver a programme, especially an audio programme, over the Internet on a regular basis for playback on computers or portable devices such as mobile phones. 

  • To deliver (information) in the form of a programme, especially an audio programme, over the Internet on a regular basis for playback on computers or portable devices such as mobile phones. 

presentation

noun
  • A dramatic performance. 

  • The symptoms and other possible indications of disease, trauma, etc., that are exhibited by a patient who has sought, or has otherwise come to, the attention of a physician. 

  • The preparation of antigen fragments during the immune response. 

  • The position of the foetus in the uterus at birth. 

  • Gender presentation; gender expression. 

  • The act or right of offering a clergyman to the bishop or ordinary for institution in a benefice. 

  • An award given to someone on a special occasion. 

  • A lecture or speech given in front of an audience. 

  • The act of presenting, or something presented. 

  • Money given as a wedding gift. 

  • Offering one's blade for engagement by the opponent. 

  • The specification of a group by generators and relators. 

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