cusp vs stomach

cusp

verb
  • To behave in a reckless or dangerous manner. 

noun
  • A point made by the intersection of two curved lines or curved structures, a common motif in Gothic architecture. 

  • Any of the pointed parts of a canine tooth or molar. 

  • A point of transition. 

  • A flap of a valve of a heart or blood vessel. 

  • A boundary between zodiacal signs and houses. 

  • A point of a curve where the curve is continuous but has no derivative, but such that it has a derivative at every nearby point. 

  • A sharp point or pointed end. 

  • An important moment when a decision is made that will determine future events. 

stomach

verb
  • To tolerate (something), emotionally, physically, or mentally; to stand or handle something. 

noun
  • Desire, appetite (for something abstract). 

  • The part of a garment that covers a person's stomach. 

  • An organ in animals that stores food in the process of digestion. 

  • The belly. 

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