vet vs veterinarian

vet

noun
  • A veterinarian or veterinary surgeon. 

  • A veteran (a former soldier or other member of armed forces). 

verb
  • To thoroughly check or investigate particularly with regard to providing formal approval. 

veterinarian

noun
  • A medical doctor who treats animals. 

adj
  • veterinary 

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