magazine vs periodical

magazine

noun
  • A non-academic periodical publication, generally consisting of sheets of paper folded in half and stapled at the fold. 

  • The portion of a warship where munitions are stored. 

  • An ammunition storehouse. 

  • A chamber in or attachable to a firearm enabling multiple rounds of ammunition to be fed into the firearm. 

  • A reservoir or supply chamber for a stove, battery, camera, typesetting machine, or other apparatus. 

  • A collection of Teletext pages. 

periodical

noun
  • A publication issued regularly, but less frequently than daily. 

  • A regularly issued thematic publication that contains the most current information in its field, often the primary means for communication of original scholarship or creative work at the cutting edge of research in its field. 

adj
  • Periodic. 

  • Published at regular intervals of more than one day, especially weekly, monthly, or quarterly. 

  • Of, or relating to such a publication. 

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