compress vs dilate

compress

verb
  • To make smaller; to press or squeeze together, or to make something occupy a smaller space or volume. 

  • To abridge. 

  • To make digital information smaller by encoding it using fewer bits. 

  • To be pressed together or folded by compression into a more economic, easier format. 

  • To condense into a more economic, easier format. 

noun
  • A multiply folded piece of cloth, a pouch of ice etc., used to apply to a patient's skin, cover the dressing of wounds, and placed with the aid of a bandage to apply pressure on an injury. 

  • A machine for compressing. 

dilate

verb
  • To enlarge; to make bigger. 

  • To speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon". 

  • To use a dilator to widen (something, such as a vagina). 

  • To become wider or larger; to expand. 

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