barn swallow vs stomach

barn swallow

noun
  • Hirundo rustica, the most widespread species of swallow in the world; a distinctive passerine bird with blue upperparts, a long, deeply forked tail and curved, pointed wings, is found in Europe, Asia, Africa and the Americas. 

stomach

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

  • Desire, appetite (for something abstract). 

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

  • The belly. 

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

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