news conference vs presser

news conference

noun
  • press conference 

presser

noun
  • A press conference or press briefing. 

  • A member of a press-gang, who forces (presses) others into service. 

  • A person or device that removes wrinkles, usually from clothing. 

  • A person, device, or agent that presses or squeezes, as 

  • A press release. 

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