fishwife vs shrew

fishwife

noun
  • A vulgar, abusive or nagging woman with a loud, unpleasant voice. 

  • The wife of a homosexual man. 

  • A person, especially a woman, with poor personal hygiene. 

shrew

noun
  • An ill-tempered, nagging woman: a scold. 

  • Any of numerous small, mouselike, chiefly nocturnal, mammals of the family Soricidae (order Soricomorpha). 

  • Certain other small mammals that resemble true shrews (order Soricomorpha). 

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