overburden vs satiate

overburden

verb
  • To overload or overtax. 

noun
  • A sterile stratum that lies above the stratum being investigated 

  • The rock and subsoil that lies above a mineral deposit such as a coal seam. 

satiate

verb
  • To satisfy to excess. To fill to satiety. 

  • To fill to satisfaction; to satisfy. 

adj
  • Filled to satisfaction or to excess. 

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