Rubenesque vs voluptuous

Rubenesque

adj
  • Of the figure of a woman, plump and sensuous. 

voluptuous

adj
  • Curvaceous and sexually attractive. 

  • Suggestive of or characterized by full, generous, pleasurable sensation. 

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