condense vs intensify

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. 

intensify

verb
  • To render more intense 

  • To become intense, or more intense; to act with increasing power or energy. 

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