battle axe vs shrew

battle axe

noun
  • A domineering, antagonistic woman. 

  • An ancient military weapon, an axe designed for combat, including (in heraldry) when borne on arms as a mark of prowess. 

  • An allotment of land at the rear of another property, with a long, narrow strip of land connecting it to the roadway. 

  • An electric guitar. 

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 battle axe and shrew occurred in a corpus of books? (source: Google Ngram Viewer )