condense vs extend

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. 

extend

verb
  • To possess a certain extent; to cover an amount of space. 

  • To reenlist for a further period. 

  • To increase in quantity by weakening or adulterating additions. 

  • To value, as lands taken by a writ of extent in satisfaction of a debt; to assign by writ of extent. 

  • To straighten (a limb). 

  • Of a class: to be an extension or subtype of, or to be based on, a prototype or a more abstract class. 

  • To increase in extent. 

  • To cause to increase in extent. 

  • To cause to last for a longer period of time. 

  • To bestow; to offer; to impart; to apply. 

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