fog vs potlatch

fog

verb
  • To practice in a small or mean way; to pettifog. 

  • To become obscured in condensation or water. 

  • To cover with or as if with fog. 

  • To obscure in condensation or water. 

  • To make dim or obscure. 

  • To spoil (film) via exposure to light other than in the normal process of taking a photograph. 

  • To disperse insecticide into (a forest canopy) so as to collect organisms. 

  • To become dim or obscure. 

  • To make confusing or obscure. 

  • To pasture cattle on the fog (of), or aftergrass, of; to eat off the fog from (a field). 

  • To become covered with or as if with fog. 

  • To become covered with the kind of grass called fog. 

noun
  • A silver deposit or other blur on a negative or developed photographic image. 

  • A new growth of grass appearing on a field that has been mowed or grazed. 

  • Distance fog. 

  • A state of mind characterized by lethargy and confusion. 

  • A mist or film clouding a surface. 

  • Tall and decaying grass left standing after the cutting or grazing season. 

  • A thick cloud that forms near the ground; the obscurity of such a cloud. (Compare mist, haze.) 

  • Moss. 

potlatch

verb
  • To carry out or take part in a potlatch ceremony. 

  • To give; especially, to give as a gift during a potlatch ceremony. 

noun
  • A communal meal to which guests bring dishes to share; a potluck. 

  • A ceremony amongst certain indigenous peoples of the Pacific Northwest in which gifts are bestowed upon guests and personal property is destroyed in a show of generosity and wealth. 

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