inlet vs stoma

inlet

noun
  • A passage that leads into a cavity. 

  • A body of water let into a coast, such as a bay, cove, fjord or estuary. 

verb
  • To let in; admit. 

  • To carve the wooden stock of a firearm so as to position the metal components in it. 

  • To insert; inlay. 

stoma

noun
  • A small opening in a membrane; a surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy. 

  • One of the tiny pores in the epidermis of a leaf or stem through which gases and water vapor pass. 

  • A mouthlike opening, such as the oral cavity of a nematode. 

  • An artificial anus. 

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