go-slow vs slog

go-slow

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

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

slog

noun
  • A long, tedious walk, or session of work. 

  • An aggressive shot played with little skill. 

verb
  • To strike something with a heavy blow, especially a ball with a bat. 

  • To work slowly and deliberately at a tedious task. 

  • To walk slowly, encountering resistance. 

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