spurge vs steep

spurge

verb
  • To emit foam; to froth; said of the emission of yeast from beer during fermentation. 

noun
  • Any plant of the genus Euphorbia, a diverse genus of over 2,000 species. 

steep

verb
  • To soak or wet thoroughly. 

  • To imbue with something; to be deeply immersed in. 

adj
  • expensive 

  • resulting in a mast or windshield angle that strongly diverges from the perpendicular 

  • Of a near-vertical gradient; of a slope, surface, curve, etc. that proceeds upward at an angle near vertical. 

noun
  • A rennet bag. 

  • The steep side of a mountain etc.; a slope or acclivity. 

  • A liquid used in a steeping process 

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