gob vs stoma

gob

noun
  • The mouth. 

  • A sailor. 

  • A whoopee pie. 

  • A lump of soft or sticky material. 

  • Waste material in old mine workings, goaf. 

  • Saliva or phlegm. 

verb
  • To pack away waste material in order to support the walls of the mine. 

  • To spit, especially to spit phlegm. 

  • To gather into a lump. 

stoma

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

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

  • 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. 

  • An artificial anus. 

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