press stud vs snapshot

press stud

noun
  • A snap fastener. 

snapshot

noun
  • A quick, unplanned or unexpected shot. 

  • A file or set of files captured at a particular time, often capable of being reloaded to restore the earlier state. 

  • A photograph, especially one taken quickly or in a sudden moment of opportunity. 

  • A glimpse of something; a portrayal of something at a moment in time. 

  • A quick offhand shot, made without deliberately taking aim over the sights. 

verb
  • To take a photograph of. 

  • To capture the state of, in a snapshot. 

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