Stakhanovite vs workaholic

Stakhanovite

noun
  • An extremely productive or hard-working worker, especially in the former USSR, who may earn special rewards; a workaholic. 

adj
  • Pertaining to a Stakhanovite; heroically hard-working. 

workaholic

noun
  • A person who feels compelled to work excessively, including while at home. 

adj
  • In the nature or manner of a workaholic. 

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