condense vs string out

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. 

string out

verb
  • To prolong or extend in an unnecessary, contrived or time-filling manner. 

  • To extend on or as if by strings, wires etc. 

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