braze vs congeal

braze

verb
  • To join two metal pieces, without melting them, using heat and diffusion of a jointing alloy of capillary thickness. 

  • To cover with brass, or as with brass. 

noun
  • A kind of small charcoal used for roasting ore. 

congeal

verb
  • To coagulate, make curdled or semi-solid such as gel or jelly. 

  • To change from a liquid to solid state, perhaps due to cold; called to freeze in nontechnical usage. 

  • To become congealed, solidify. 

  • To make rigid or immobile. 

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