burp vs lip

burp

verb
  • To utter by burping 

  • To cause someone (such as a baby) to burp. 

  • To open (a container of fermenting substance) to allow the release of accumulated gas. 

  • To emit a burp. 

noun
  • A belch. 

lip

verb
  • To utter verbally. 

  • To change the sound of (a musical note played on a wind instrument) by moving or tensing the lips. 

  • To form the rim, edge or margin of something. 

  • To simulate speech by moving the lips without making any sound; to mouth. 

  • (of something inanimate) To touch lightly. 

  • To touch or grasp with the lips; to kiss; to lap the lips against (something). 

  • To make a golf ball hit the lip of the cup, without dropping in. 

  • To rise or flow up to or over the edge of something. 

  • To wash against a surface, lap. 

noun
  • Backtalk; verbal impertinence. 

  • One of the two opposite divisions of a labiate corolla. 

  • Either of the two fleshy protrusions around the opening of the mouth. 

  • The sharp cutting edge on the end of an auger. 

  • A part of the body that resembles a lip, such as the edge of a wound or the labia. 

  • The projecting rim of an open container; a short open spout. 

  • One of the edges of the aperture of a univalve shell. 

  • The edge of a high spot of land. 

  • The distinctive petal of the Orchis family. 

  • Embouchure: the condition or strength of a wind instrumentalist's lips. 

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