acerbate vs condense

acerbate

adj
  • Embittered; having a sour disposition or nature. 

verb
  • To exasperate; to irritate. 

  • To make bitter or sour. 

condense

verb
  • To be transformed from a gaseous state into a liquid state. 

  • To transform from a gaseous state into a liquid state via condensation. 

  • To concentrate toward the essence by making more close, compact, or dense, thereby decreasing size or volume. 

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