bulge vs dilate

bulge

verb
  • To stick out from (a surface). 

  • To bilge, as a ship; to founder. 

noun
  • The outline of male genitals visible through clothing. 

  • A sudden rise in value or quantity. 

  • The bilge of a vessel. 

  • Something sticking out from a surface; a swelling, protuberant part; a bending outward, especially when caused by pressure. 

  • The bilge or protuberant part of a cask. 

dilate

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

  • To enlarge; to make bigger. 

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

  • To become wider or larger; to expand. 

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