go-slow vs stop-work

go-slow

noun
  • Deliberate slow working as a protest during an industrial dispute. 

  • A period of time spent in an unusually slow fashion. 

stop-work

noun
  • Temporary cessation of labor as a form of protest. 

  • Causing work to cease temporarily for administrative reasons such as safety concerns or legal action. 

How often have the words go-slow and stop-work occurred in a corpus of books? (source: Google Ngram Viewer )