beef up vs condense

beef up

verb
  • to strengthen or reinforce; to add substance to 

condense

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

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

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

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