lack vs stomach

lack

noun
  • A deficiency or need (of something desirable or necessary); an absence, want. 

verb
  • To be short (of or for something). 

  • To be without, not to have, to need, to require. 

stomach

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. 

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

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