jasper vs slag

jasper

noun
  • A person, a guy, especially seen as naïve or simple. 

  • Jasperware pottery. 

  • An opaque, impure variety of quartz, of red, yellow, and other dull colors, breaking conchoidally with a smooth surface. 

  • A wasp. 

verb
  • To decorate with, or as if with, jasper. 

slag

noun
  • A prostitute, or a woman who acts like one; a slut. 

  • Scum that forms on the surface of molten metal. 

  • Scoria associated with a volcano. 

  • Waste material from a mine. 

  • Hard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material. 

  • Impurities formed and separated out when a metal is smelted from ore; vitrified cinders. 

  • A contemptible person, a scumbag. 

verb
  • To spit. 

  • To become slag; to agglomerate when heated below the fusion point. 

  • To reduce to slag. 

  • To talk badly about; to malign or denigrate (someone). 

  • To produce slag. 

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