condense vs soup up

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. 

soup up

verb
  • To modify the engine of (a motor vehicle) to give a higher performance than the specifications. 

  • To embellish with many additions. 

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