chimney vs hearth

chimney

noun
  • The glass flue surrounding the flame of an oil lamp. 

  • A narrow cleft in a rock face; a narrow vertical cave passage. 

  • A black eye; a shiner. 

  • The smokestack of a steam locomotive. 

  • A vagina. 

  • A vertical tube or hollow column used to emit environmentally polluting gaseous and solid matter (including but not limited to by-products of burning carbon- or hydrocarbon-based fuels); a flue. 

verb
  • To negotiate a chimney (narrow vertical cave passage) by pushing against the sides with back, feet, hands, etc. 

hearth

noun
  • A fireplace: an open recess in a wall at the base of a chimney where a fire may be built. 

  • A hearthstone, either as standalone or as the floor of an enclosed fireplace or oven. 

  • The place in a home where a fire is or was traditionally kept for home heating and for cooking, usually constituted by at least a hearthstone and often enclosed to varying degrees by any combination of reredos, fireplace, oven, smoke hood, or chimney. 

  • The lowest part of a metallurgical furnace. 

  • A brazier, chafing dish, or firebox. 

  • Home or family life. 

  • A household or group in some forms of the modern pagan faith Heathenry. 

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