congest vs pack ‘em in

congest

noun
  • A farmer whose lands do not support him adequately. 

verb
  • To hinder or block the passage of something moving, for example a fluid, mixture, traffic, people, etc. (due to an excess of this or due to a partial or complete obstruction), resulting in overfilling or overcrowding. 

pack ‘em in

How often have the words congest and pack ‘em in occurred in a corpus of books? (source: Google Ngram Viewer )