embalm vs quick-freeze

embalm

verb
  • To preserve. 

  • To perfume or add fragrance to something. 

  • To treat a corpse with preservatives in order to prevent decomposition. 

quick-freeze

verb
  • Preserved in an unaltered state, reminiscent of quick-freezing. 

  • To rapidly reduce the temperature of something to below the freezing point, thereby preserving some aspect of it (such as position or flavor) that would otherwise be lost during the freezing process. 

noun
  • A chamber or device in which the temperature may be rapidly lowered to below to freezing point. 

How often have the words embalm and quick-freeze occurred in a corpus of books? (source: Google Ngram Viewer )